Home / 747,329,059.80-1,120,993,589.70-359,058,265.20

Finding the Fourth Proportional to 747,329,059.80, 1,120,993,589.70 and 359,058,265.20

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Solution

The fourth proportional to 747,329,059.80, 1,120,993,589.70 and 359,058,265.20 is: 538,587,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,329,059.80 : 1,120,993,589.70 = 359,058,265.20 : x
  2. Step 2: Convert to fraction form
    747,329,059.80/1,120,993,589.70 = 359,058,265.20/x
  3. Step 3: Cross multiply
    747,329,059.80x = 1,120,993,589.70 × 359,058,265.20
  4. Step 4: Simplify right side
    747,329,059.80x = 402,502,013,618,002,624
  5. Step 5: Solve for x
    x = 402,502,013,618,002,624/747,329,059.80
  6. Step 6: Final answer
    x = 538,587,397.80

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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.