Home / 605,566,906.90-908,775,513.15-260,767,986.10

Finding the Fourth Proportional to 605,566,906.90, 908,775,513.15 and 260,767,986.10

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Solution

The fourth proportional to 605,566,906.90, 908,775,513.15 and 260,767,986.10 is: 391,335,057.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,566,906.90 : 908,775,513.15 = 260,767,986.10 : x
  2. Step 2: Convert to fraction form
    605,566,906.90/908,775,513.15 = 260,767,986.10/x
  3. Step 3: Cross multiply
    605,566,906.90x = 908,775,513.15 × 260,767,986.10
  4. Step 4: Simplify right side
    605,566,906.90x = 236,979,560,381,119,552
  5. Step 5: Solve for x
    x = 236,979,560,381,119,552/605,566,906.90
  6. Step 6: Final answer
    x = 391,335,057.58

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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.