Home / 463,521,044.61-639,500,837.34-287,244,722.10

Finding the Fourth Proportional to 463,521,044.61, 639,500,837.34 and 287,244,722.10

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Solution

The fourth proportional to 463,521,044.61, 639,500,837.34 and 287,244,722.10 is: 396,299,677.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,521,044.61 : 639,500,837.34 = 287,244,722.10 : x
  2. Step 2: Convert to fraction form
    463,521,044.61/639,500,837.34 = 287,244,722.10/x
  3. Step 3: Cross multiply
    463,521,044.61x = 639,500,837.34 × 287,244,722.10
  4. Step 4: Simplify right side
    463,521,044.61x = 183,693,240,304,445,632
  5. Step 5: Solve for x
    x = 183,693,240,304,445,632/463,521,044.61
  6. Step 6: Final answer
    x = 396,299,677.09

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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.