Home / 527,972,288.46-728,567,816.67-293,023,108.05

Finding the Fourth Proportional to 527,972,288.46, 728,567,816.67 and 293,023,108.05

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Solution

The fourth proportional to 527,972,288.46, 728,567,816.67 and 293,023,108.05 is: 404,353,051.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,972,288.46 : 728,567,816.67 = 293,023,108.05 : x
  2. Step 2: Convert to fraction form
    527,972,288.46/728,567,816.67 = 293,023,108.05/x
  3. Step 3: Cross multiply
    527,972,288.46x = 728,567,816.67 × 293,023,108.05
  4. Step 4: Simplify right side
    527,972,288.46x = 213,487,206,065,845,984
  5. Step 5: Solve for x
    x = 213,487,206,065,845,984/527,972,288.46
  6. Step 6: Final answer
    x = 404,353,051.73

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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.