Home / 574,023,139.20-861,034,708.80-402,030,460.80

Finding the Fourth Proportional to 574,023,139.20, 861,034,708.80 and 402,030,460.80

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Solution

The fourth proportional to 574,023,139.20, 861,034,708.80 and 402,030,460.80 is: 603,045,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,023,139.20 : 861,034,708.80 = 402,030,460.80 : x
  2. Step 2: Convert to fraction form
    574,023,139.20/861,034,708.80 = 402,030,460.80/x
  3. Step 3: Cross multiply
    574,023,139.20x = 861,034,708.80 × 402,030,460.80
  4. Step 4: Simplify right side
    574,023,139.20x = 346,162,180,743,657,792
  5. Step 5: Solve for x
    x = 346,162,180,743,657,792/574,023,139.20
  6. Step 6: Final answer
    x = 603,045,691.20

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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.