Home / 579,356,115.12-799,526,591.28-315,053,565.84

Finding the Fourth Proportional to 579,356,115.12, 799,526,591.28 and 315,053,565.84

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Solution

The fourth proportional to 579,356,115.12, 799,526,591.28 and 315,053,565.84 is: 434,782,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,356,115.12 : 799,526,591.28 = 315,053,565.84 : x
  2. Step 2: Convert to fraction form
    579,356,115.12/799,526,591.28 = 315,053,565.84/x
  3. Step 3: Cross multiply
    579,356,115.12x = 799,526,591.28 × 315,053,565.84
  4. Step 4: Simplify right side
    579,356,115.12x = 251,893,703,566,664,224
  5. Step 5: Solve for x
    x = 251,893,703,566,664,224/579,356,115.12
  6. Step 6: Final answer
    x = 434,782,160.73

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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.