Home / 574,950,078.80-862,425,118.20-391,284,069.20

Finding the Fourth Proportional to 574,950,078.80, 862,425,118.20 and 391,284,069.20

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Solution

The fourth proportional to 574,950,078.80, 862,425,118.20 and 391,284,069.20 is: 586,926,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,950,078.80 : 862,425,118.20 = 391,284,069.20 : x
  2. Step 2: Convert to fraction form
    574,950,078.80/862,425,118.20 = 391,284,069.20/x
  3. Step 3: Cross multiply
    574,950,078.80x = 862,425,118.20 × 391,284,069.20
  4. Step 4: Simplify right side
    574,950,078.80x = 337,453,209,629,587,008
  5. Step 5: Solve for x
    x = 337,453,209,629,587,008/574,950,078.80
  6. Step 6: Final answer
    x = 586,926,103.80

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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.