Home / 747,488,404.80-1,121,232,607.20-359,217,610.20

Finding the Fourth Proportional to 747,488,404.80, 1,121,232,607.20 and 359,217,610.20

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Solution

The fourth proportional to 747,488,404.80, 1,121,232,607.20 and 359,217,610.20 is: 538,826,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,488,404.80 : 1,121,232,607.20 = 359,217,610.20 : x
  2. Step 2: Convert to fraction form
    747,488,404.80/1,121,232,607.20 = 359,217,610.20/x
  3. Step 3: Cross multiply
    747,488,404.80x = 1,121,232,607.20 × 359,217,610.20
  4. Step 4: Simplify right side
    747,488,404.80x = 402,766,497,636,699,328
  5. Step 5: Solve for x
    x = 402,766,497,636,699,328/747,488,404.80
  6. Step 6: Final answer
    x = 538,826,415.30

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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.