Home / 1,681,131,831,263-2,319,964,164,405-910,381,852,201.60

Finding the Fourth Proportional to 1,681,131,831,263, 2,319,964,164,405 and 910,381,852,201.60

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Solution

The fourth proportional to 1,681,131,831,263, 2,319,964,164,405 and 910,381,852,201.60 is: 1,256,328,167,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,131,831,263 : 2,319,964,164,405 = 910,381,852,201.60 : x
  2. Step 2: Convert to fraction form
    1,681,131,831,263/2,319,964,164,405 = 910,381,852,201.60/x
  3. Step 3: Cross multiply
    1,681,131,831,263x = 2,319,964,164,405 × 910,381,852,201.60
  4. Step 4: Simplify right side
    1,681,131,831,263x = 2,112,053,273,032,361,112,502,272
  5. Step 5: Solve for x
    x = 2,112,053,273,032,361,112,502,272/1,681,131,831,263
  6. Step 6: Final answer
    x = 1,256,328,167,580.78

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Double scale
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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.