Home / 632,418,549,091.20-872,737,597,745.88-361,756,909,963.58

Finding the Fourth Proportional to 632,418,549,091.20, 872,737,597,745.88 and 361,756,909,963.58

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Solution

The fourth proportional to 632,418,549,091.20, 872,737,597,745.88 and 361,756,909,963.58 is: 499,224,535,749.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,418,549,091.20 : 872,737,597,745.88 = 361,756,909,963.58 : x
  2. Step 2: Convert to fraction form
    632,418,549,091.20/872,737,597,745.88 = 361,756,909,963.58/x
  3. Step 3: Cross multiply
    632,418,549,091.20x = 872,737,597,745.88 × 361,756,909,963.58
  4. Step 4: Simplify right side
    632,418,549,091.20x = 315,718,856,569,587,404,636,160
  5. Step 5: Solve for x
    x = 315,718,856,569,587,404,636,160/632,418,549,091.20
  6. Step 6: Final answer
    x = 499,224,535,749.75

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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.