Home / 1,431,365,660.42-2,146,516,874.64-498,448,934.78

Finding the Fourth Proportional to 1,431,365,660.42, 2,146,516,874.64 and 498,448,934.78

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Solution

The fourth proportional to 1,431,365,660.42, 2,146,516,874.64 and 498,448,934.78 is: 747,488,275.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,365,660.42 : 2,146,516,874.64 = 498,448,934.78 : x
  2. Step 2: Convert to fraction form
    1,431,365,660.42/2,146,516,874.64 = 498,448,934.78/x
  3. Step 3: Cross multiply
    1,431,365,660.42x = 2,146,516,874.64 × 498,448,934.78
  4. Step 4: Simplify right side
    1,431,365,660.42x = 1,069,929,049,651,602,816
  5. Step 5: Solve for x
    x = 1,069,929,049,651,602,816/1,431,365,660.42
  6. Step 6: Final answer
    x = 747,488,275.87

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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.