Home / 487,987,904-732,005,397.92-160,456,165.76

Finding the Fourth Proportional to 487,987,904, 732,005,397.92 and 160,456,165.76

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Solution

The fourth proportional to 487,987,904, 732,005,397.92 and 160,456,165.76 is: 240,691,989.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,987,904 : 732,005,397.92 = 160,456,165.76 : x
  2. Step 2: Convert to fraction form
    487,987,904/732,005,397.92 = 160,456,165.76/x
  3. Step 3: Cross multiply
    487,987,904x = 732,005,397.92 × 160,456,165.76
  4. Step 4: Simplify right side
    487,987,904x = 117,454,779,465,866,272
  5. Step 5: Solve for x
    x = 117,454,779,465,866,272/487,987,904
  6. Step 6: Final answer
    x = 240,691,989.50

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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.