Home / 472,654,932.52-708,972,377.46-157,543,745.08

Finding the Fourth Proportional to 472,654,932.52, 708,972,377.46 and 157,543,745.08

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Solution

The fourth proportional to 472,654,932.52, 708,972,377.46 and 157,543,745.08 is: 236,312,277.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,654,932.52 : 708,972,377.46 = 157,543,745.08 : x
  2. Step 2: Convert to fraction form
    472,654,932.52/708,972,377.46 = 157,543,745.08/x
  3. Step 3: Cross multiply
    472,654,932.52x = 708,972,377.46 × 157,543,745.08
  4. Step 4: Simplify right side
    472,654,932.52x = 111,694,163,503,319,792
  5. Step 5: Solve for x
    x = 111,694,163,503,319,792/472,654,932.52
  6. Step 6: Final answer
    x = 236,312,277.35

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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.