Home / 653,454,010.20-980,181,015.30-505,500,835.80

Finding the Fourth Proportional to 653,454,010.20, 980,181,015.30 and 505,500,835.80

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Solution

The fourth proportional to 653,454,010.20, 980,181,015.30 and 505,500,835.80 is: 758,251,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,454,010.20 : 980,181,015.30 = 505,500,835.80 : x
  2. Step 2: Convert to fraction form
    653,454,010.20/980,181,015.30 = 505,500,835.80/x
  3. Step 3: Cross multiply
    653,454,010.20x = 980,181,015.30 × 505,500,835.80
  4. Step 4: Simplify right side
    653,454,010.20x = 495,482,322,469,442,560
  5. Step 5: Solve for x
    x = 495,482,322,469,442,560/653,454,010.20
  6. Step 6: Final answer
    x = 758,251,253.70

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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.