Home / 527,632,086.87-791,448,154.91-361,471,743.81

Finding the Fourth Proportional to 527,632,086.87, 791,448,154.91 and 361,471,743.81

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Solution

The fourth proportional to 527,632,086.87, 791,448,154.91 and 361,471,743.81 is: 542,207,632.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,632,086.87 : 791,448,154.91 = 361,471,743.81 : x
  2. Step 2: Convert to fraction form
    527,632,086.87/791,448,154.91 = 361,471,743.81/x
  3. Step 3: Cross multiply
    527,632,086.87x = 791,448,154.91 × 361,471,743.81
  4. Step 4: Simplify right side
    527,632,086.87x = 286,086,144,690,072,896
  5. Step 5: Solve for x
    x = 286,086,144,690,072,896/527,632,086.87
  6. Step 6: Final answer
    x = 542,207,632.57

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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.