Home / 439,755,428.80-659,633,143.20-336,443,298.40

Finding the Fourth Proportional to 439,755,428.80, 659,633,143.20 and 336,443,298.40

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Solution

The fourth proportional to 439,755,428.80, 659,633,143.20 and 336,443,298.40 is: 504,664,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,755,428.80 : 659,633,143.20 = 336,443,298.40 : x
  2. Step 2: Convert to fraction form
    439,755,428.80/659,633,143.20 = 336,443,298.40/x
  3. Step 3: Cross multiply
    439,755,428.80x = 659,633,143.20 × 336,443,298.40
  4. Step 4: Simplify right side
    439,755,428.80x = 221,929,150,432,167,520
  5. Step 5: Solve for x
    x = 221,929,150,432,167,520/439,755,428.80
  6. Step 6: Final answer
    x = 504,664,947.60

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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.