Home / 402,340,938.30-603,033,110.55-361,207,404.90

Finding the Fourth Proportional to 402,340,938.30, 603,033,110.55 and 361,207,404.90

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Solution

The fourth proportional to 402,340,938.30, 603,033,110.55 and 361,207,404.90 is: 541,381,709.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,340,938.30 : 603,033,110.55 = 361,207,404.90 : x
  2. Step 2: Convert to fraction form
    402,340,938.30/603,033,110.55 = 361,207,404.90/x
  3. Step 3: Cross multiply
    402,340,938.30x = 603,033,110.55 × 361,207,404.90
  4. Step 4: Simplify right side
    402,340,938.30x = 217,820,024,930,540,288
  5. Step 5: Solve for x
    x = 217,820,024,930,540,288/402,340,938.30
  6. Step 6: Final answer
    x = 541,381,709.38

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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.