Home / 20,705,220,287.60-31,057,830,431.40-17,399,232,114.80

Finding the Fourth Proportional to 20,705,220,287.60, 31,057,830,431.40 and 17,399,232,114.80

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Solution

The fourth proportional to 20,705,220,287.60, 31,057,830,431.40 and 17,399,232,114.80 is: 26,098,848,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,705,220,287.60 : 31,057,830,431.40 = 17,399,232,114.80 : x
  2. Step 2: Convert to fraction form
    20,705,220,287.60/31,057,830,431.40 = 17,399,232,114.80/x
  3. Step 3: Cross multiply
    20,705,220,287.60x = 31,057,830,431.40 × 17,399,232,114.80
  4. Step 4: Simplify right side
    20,705,220,287.60x = 540,382,400,658,027,642,880
  5. Step 5: Solve for x
    x = 540,382,400,658,027,642,880/20,705,220,287.60
  6. Step 6: Final answer
    x = 26,098,848,172.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.