Home / 400,018,610,770.60-552,024,290,921.08-217,115,711,934.64

Finding the Fourth Proportional to 400,018,610,770.60, 552,024,290,921.08 and 217,115,711,934.64

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Solution

The fourth proportional to 400,018,610,770.60, 552,024,290,921.08 and 217,115,711,934.64 is: 299,618,926,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,018,610,770.60 : 552,024,290,921.08 = 217,115,711,934.64 : x
  2. Step 2: Convert to fraction form
    400,018,610,770.60/552,024,290,921.08 = 217,115,711,934.64/x
  3. Step 3: Cross multiply
    400,018,610,770.60x = 552,024,290,921.08 × 217,115,711,934.64
  4. Step 4: Simplify right side
    400,018,610,770.60x = 119,853,146,928,545,106,231,296
  5. Step 5: Solve for x
    x = 119,853,146,928,545,106,231,296/400,018,610,770.60
  6. Step 6: Final answer
    x = 299,618,926,973.57

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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.