Home / 632,418,549,073.52-872,737,597,721.79-361,756,909,945.89

Finding the Fourth Proportional to 632,418,549,073.52, 872,737,597,721.79 and 361,756,909,945.89

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Solution

The fourth proportional to 632,418,549,073.52, 872,737,597,721.79 and 361,756,909,945.89 is: 499,224,535,725.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,418,549,073.52 : 872,737,597,721.79 = 361,756,909,945.89 : x
  2. Step 2: Convert to fraction form
    632,418,549,073.52/872,737,597,721.79 = 361,756,909,945.89/x
  3. Step 3: Cross multiply
    632,418,549,073.52x = 872,737,597,721.79 × 361,756,909,945.89
  4. Step 4: Simplify right side
    632,418,549,073.52x = 315,718,856,545,433,984,958,464
  5. Step 5: Solve for x
    x = 315,718,856,545,433,984,958,464/632,418,549,073.52
  6. Step 6: Final answer
    x = 499,224,535,725.52

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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.