Home / 1,022,169,192.48-1,411,757,052.48-687,059,921.88

Finding the Fourth Proportional to 1,022,169,192.48, 1,411,757,052.48 and 687,059,921.88

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Solution

The fourth proportional to 1,022,169,192.48, 1,411,757,052.48 and 687,059,921.88 is: 948,924,793.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,169,192.48 : 1,411,757,052.48 = 687,059,921.88 : x
  2. Step 2: Convert to fraction form
    1,022,169,192.48/1,411,757,052.48 = 687,059,921.88/x
  3. Step 3: Cross multiply
    1,022,169,192.48x = 1,411,757,052.48 × 687,059,921.88
  4. Step 4: Simplify right side
    1,022,169,192.48x = 969,961,690,190,447,872
  5. Step 5: Solve for x
    x = 969,961,690,190,447,872/1,022,169,192.48
  6. Step 6: Final answer
    x = 948,924,793.79

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Double scale
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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.