Home / 400,018,610,773.10-552,024,290,924.46-217,115,711,937.15

Finding the Fourth Proportional to 400,018,610,773.10, 552,024,290,924.46 and 217,115,711,937.15

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Solution

The fourth proportional to 400,018,610,773.10, 552,024,290,924.46 and 217,115,711,937.15 is: 299,618,926,977.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,018,610,773.10 : 552,024,290,924.46 = 217,115,711,937.15 : x
  2. Step 2: Convert to fraction form
    400,018,610,773.10/552,024,290,924.46 = 217,115,711,937.15/x
  3. Step 3: Cross multiply
    400,018,610,773.10x = 552,024,290,924.46 × 217,115,711,937.15
  4. Step 4: Simplify right side
    400,018,610,773.10x = 119,853,146,930,664,538,374,144
  5. Step 5: Solve for x
    x = 119,853,146,930,664,538,374,144/400,018,610,773.10
  6. Step 6: Final answer
    x = 299,618,926,977.00

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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.