Home / 400,018,610,771.10-552,024,290,921.70-217,115,711,935.15

Finding the Fourth Proportional to 400,018,610,771.10, 552,024,290,921.70 and 217,115,711,935.15

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Solution

The fourth proportional to 400,018,610,771.10, 552,024,290,921.70 and 217,115,711,935.15 is: 299,618,926,974.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,018,610,771.10 : 552,024,290,921.70 = 217,115,711,935.15 : x
  2. Step 2: Convert to fraction form
    400,018,610,771.10/552,024,290,921.70 = 217,115,711,935.15/x
  3. Step 3: Cross multiply
    400,018,610,771.10x = 552,024,290,921.70 × 217,115,711,935.15
  4. Step 4: Simplify right side
    400,018,610,771.10x = 119,853,146,928,961,248,296,960
  5. Step 5: Solve for x
    x = 119,853,146,928,961,248,296,960/400,018,610,771.10
  6. Step 6: Final answer
    x = 299,618,926,974.24

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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.