Home / 1,431,365,658.92-2,146,516,872.39-498,448,933.28

Finding the Fourth Proportional to 1,431,365,658.92, 2,146,516,872.39 and 498,448,933.28

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Solution

The fourth proportional to 1,431,365,658.92, 2,146,516,872.39 and 498,448,933.28 is: 747,488,273.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,365,658.92 : 2,146,516,872.39 = 498,448,933.28 : x
  2. Step 2: Convert to fraction form
    1,431,365,658.92/2,146,516,872.39 = 498,448,933.28/x
  3. Step 3: Cross multiply
    1,431,365,658.92x = 2,146,516,872.39 × 498,448,933.28
  4. Step 4: Simplify right side
    1,431,365,658.92x = 1,069,929,045,310,317,312
  5. Step 5: Solve for x
    x = 1,069,929,045,310,317,312/1,431,365,658.92
  6. Step 6: Final answer
    x = 747,488,273.62

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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.