Home / 484,560,902.80-726,841,354.20-291,069,139.60

Finding the Fourth Proportional to 484,560,902.80, 726,841,354.20 and 291,069,139.60

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Solution

The fourth proportional to 484,560,902.80, 726,841,354.20 and 291,069,139.60 is: 436,603,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,560,902.80 : 726,841,354.20 = 291,069,139.60 : x
  2. Step 2: Convert to fraction form
    484,560,902.80/726,841,354.20 = 291,069,139.60/x
  3. Step 3: Cross multiply
    484,560,902.80x = 726,841,354.20 × 291,069,139.60
  4. Step 4: Simplify right side
    484,560,902.80x = 211,561,087,592,692,864
  5. Step 5: Solve for x
    x = 211,561,087,592,692,864/484,560,902.80
  6. Step 6: Final answer
    x = 436,603,709.40

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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.