Home / 527,972,270.92-728,567,792.50-293,023,090.56

Finding the Fourth Proportional to 527,972,270.92, 728,567,792.50 and 293,023,090.56

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Solution

The fourth proportional to 527,972,270.92, 728,567,792.50 and 293,023,090.56 is: 404,353,027.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,972,270.92 : 728,567,792.50 = 293,023,090.56 : x
  2. Step 2: Convert to fraction form
    527,972,270.92/728,567,792.50 = 293,023,090.56/x
  3. Step 3: Cross multiply
    527,972,270.92x = 728,567,792.50 × 293,023,090.56
  4. Step 4: Simplify right side
    527,972,270.92x = 213,487,186,240,826,784
  5. Step 5: Solve for x
    x = 213,487,186,240,826,784/527,972,270.92
  6. Step 6: Final answer
    x = 404,353,027.61

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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.