Home / 708,620,528.80-1,062,930,793.20-524,954,519.20

Finding the Fourth Proportional to 708,620,528.80, 1,062,930,793.20 and 524,954,519.20

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Solution

The fourth proportional to 708,620,528.80, 1,062,930,793.20 and 524,954,519.20 is: 787,431,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,620,528.80 : 1,062,930,793.20 = 524,954,519.20 : x
  2. Step 2: Convert to fraction form
    708,620,528.80/1,062,930,793.20 = 524,954,519.20/x
  3. Step 3: Cross multiply
    708,620,528.80x = 1,062,930,793.20 × 524,954,519.20
  4. Step 4: Simplify right side
    708,620,528.80x = 557,990,323,487,180,672
  5. Step 5: Solve for x
    x = 557,990,323,487,180,672/708,620,528.80
  6. Step 6: Final answer
    x = 787,431,778.80

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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.