Home / 1,431,365,659.42-2,146,516,873.14-498,448,933.78

Finding the Fourth Proportional to 1,431,365,659.42, 2,146,516,873.14 and 498,448,933.78

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Solution

The fourth proportional to 1,431,365,659.42, 2,146,516,873.14 and 498,448,933.78 is: 747,488,274.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,365,659.42 : 2,146,516,873.14 = 498,448,933.78 : x
  2. Step 2: Convert to fraction form
    1,431,365,659.42/2,146,516,873.14 = 498,448,933.78/x
  3. Step 3: Cross multiply
    1,431,365,659.42x = 2,146,516,873.14 × 498,448,933.78
  4. Step 4: Simplify right side
    1,431,365,659.42x = 1,069,929,046,757,412,480
  5. Step 5: Solve for x
    x = 1,069,929,046,757,412,480/1,431,365,659.42
  6. Step 6: Final answer
    x = 747,488,274.37

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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.