Home / 715,392,001.90-1,073,088,002.85-687,174,453.10

Finding the Fourth Proportional to 715,392,001.90, 1,073,088,002.85 and 687,174,453.10

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Solution

The fourth proportional to 715,392,001.90, 1,073,088,002.85 and 687,174,453.10 is: 1,030,761,679.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,392,001.90 : 1,073,088,002.85 = 687,174,453.10 : x
  2. Step 2: Convert to fraction form
    715,392,001.90/1,073,088,002.85 = 687,174,453.10/x
  3. Step 3: Cross multiply
    715,392,001.90x = 1,073,088,002.85 × 687,174,453.10
  4. Step 4: Simplify right side
    715,392,001.90x = 737,398,661,486,620,032
  5. Step 5: Solve for x
    x = 737,398,661,486,620,032/715,392,001.90
  6. Step 6: Final answer
    x = 1,030,761,679.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.