Home / 31,830,135,906.76-43,925,724,112.40-17,362,546,144.63

Finding the Fourth Proportional to 31,830,135,906.76, 43,925,724,112.40 and 17,362,546,144.63

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Solution

The fourth proportional to 31,830,135,906.76, 43,925,724,112.40 and 17,362,546,144.63 is: 23,960,388,170.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,830,135,906.76 : 43,925,724,112.40 = 17,362,546,144.63 : x
  2. Step 2: Convert to fraction form
    31,830,135,906.76/43,925,724,112.40 = 17,362,546,144.63/x
  3. Step 3: Cross multiply
    31,830,135,906.76x = 43,925,724,112.40 × 17,362,546,144.63
  4. Step 4: Simplify right side
    31,830,135,906.76x = 762,662,411,837,831,774,208
  5. Step 5: Solve for x
    x = 762,662,411,837,831,774,208/31,830,135,906.76
  6. Step 6: Final answer
    x = 23,960,388,170.25

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Find fourth proportional to 15,915,067,953.38, 21,962,862,056.20 and 8,681,273,072.32
Half scale
Find fourth proportional to 63,660,271,813.52, 87,851,448,224.80 and 34,725,092,289.26
Double scale
Find fourth proportional to 31,830,135,907.76, 43,925,724,113.78 and 17,362,546,145.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.