Home / 527,623,550.91-791,442,061.67-139,443,027.47

Finding the Fourth Proportional to 527,623,550.91, 791,442,061.67 and 139,443,027.47

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Solution

The fourth proportional to 527,623,550.91, 791,442,061.67 and 139,443,027.47 is: 209,166,321.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,623,550.91 : 791,442,061.67 = 139,443,027.47 : x
  2. Step 2: Convert to fraction form
    527,623,550.91/791,442,061.67 = 139,443,027.47/x
  3. Step 3: Cross multiply
    527,623,550.91x = 791,442,061.67 × 139,443,027.47
  4. Step 4: Simplify right side
    527,623,550.91x = 110,361,077,145,722,544
  5. Step 5: Solve for x
    x = 110,361,077,145,722,544/527,623,550.91
  6. Step 6: Final answer
    x = 209,166,321.24

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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.