Home / 394,894,622.70-592,341,934.05-280,103,366.70

Finding the Fourth Proportional to 394,894,622.70, 592,341,934.05 and 280,103,366.70

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Solution

The fourth proportional to 394,894,622.70, 592,341,934.05 and 280,103,366.70 is: 420,155,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,894,622.70 : 592,341,934.05 = 280,103,366.70 : x
  2. Step 2: Convert to fraction form
    394,894,622.70/592,341,934.05 = 280,103,366.70/x
  3. Step 3: Cross multiply
    394,894,622.70x = 592,341,934.05 × 280,103,366.70
  4. Step 4: Simplify right side
    394,894,622.70x = 165,916,969,964,994,336
  5. Step 5: Solve for x
    x = 165,916,969,964,994,336/394,894,622.70
  6. Step 6: Final answer
    x = 420,155,050.05

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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.