Home / 572,413,710.30-858,620,565.45-391,015,182.30

Finding the Fourth Proportional to 572,413,710.30, 858,620,565.45 and 391,015,182.30

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Solution

The fourth proportional to 572,413,710.30, 858,620,565.45 and 391,015,182.30 is: 586,522,773.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,413,710.30 : 858,620,565.45 = 391,015,182.30 : x
  2. Step 2: Convert to fraction form
    572,413,710.30/858,620,565.45 = 391,015,182.30/x
  3. Step 3: Cross multiply
    572,413,710.30x = 858,620,565.45 × 391,015,182.30
  4. Step 4: Simplify right side
    572,413,710.30x = 335,733,676,925,960,832
  5. Step 5: Solve for x
    x = 335,733,676,925,960,832/572,413,710.30
  6. Step 6: Final answer
    x = 586,522,773.45

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Double scale
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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.