Home / 264,687,519.90-397,031,279.85-80,454,639.90

Finding the Fourth Proportional to 264,687,519.90, 397,031,279.85 and 80,454,639.90

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Solution

The fourth proportional to 264,687,519.90, 397,031,279.85 and 80,454,639.90 is: 120,681,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,687,519.90 : 397,031,279.85 = 80,454,639.90 : x
  2. Step 2: Convert to fraction form
    264,687,519.90/397,031,279.85 = 80,454,639.90/x
  3. Step 3: Cross multiply
    264,687,519.90x = 397,031,279.85 × 80,454,639.90
  4. Step 4: Simplify right side
    264,687,519.90x = 31,943,008,649,367,880
  5. Step 5: Solve for x
    x = 31,943,008,649,367,880/264,687,519.90
  6. Step 6: Final answer
    x = 120,681,959.85

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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.