Home / 472,654,931.52-708,972,375.96-157,543,744.08

Finding the Fourth Proportional to 472,654,931.52, 708,972,375.96 and 157,543,744.08

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Solution

The fourth proportional to 472,654,931.52, 708,972,375.96 and 157,543,744.08 is: 236,312,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,654,931.52 : 708,972,375.96 = 157,543,744.08 : x
  2. Step 2: Convert to fraction form
    472,654,931.52/708,972,375.96 = 157,543,744.08/x
  3. Step 3: Cross multiply
    472,654,931.52x = 708,972,375.96 × 157,543,744.08
  4. Step 4: Simplify right side
    472,654,931.52x = 111,694,162,558,031,792
  5. Step 5: Solve for x
    x = 111,694,162,558,031,792/472,654,931.52
  6. Step 6: Final answer
    x = 236,312,275.85

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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.