Home / 660,185,193.20-990,277,789.80-466,474,948.70

Finding the Fourth Proportional to 660,185,193.20, 990,277,789.80 and 466,474,948.70

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Solution

The fourth proportional to 660,185,193.20, 990,277,789.80 and 466,474,948.70 is: 699,712,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,185,193.20 : 990,277,789.80 = 466,474,948.70 : x
  2. Step 2: Convert to fraction form
    660,185,193.20/990,277,789.80 = 466,474,948.70/x
  3. Step 3: Cross multiply
    660,185,193.20x = 990,277,789.80 × 466,474,948.70
  4. Step 4: Simplify right side
    660,185,193.20x = 461,939,781,195,704,320
  5. Step 5: Solve for x
    x = 461,939,781,195,704,320/660,185,193.20
  6. Step 6: Final answer
    x = 699,712,423.05

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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.