Home / 1,979,963,447.39-2,968,098,839.00-668,948,655.23

Finding the Fourth Proportional to 1,979,963,447.39, 2,968,098,839.00 and 668,948,655.23

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Solution

The fourth proportional to 1,979,963,447.39, 2,968,098,839.00 and 668,948,655.23 is: 1,002,799,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,963,447.39 : 2,968,098,839.00 = 668,948,655.23 : x
  2. Step 2: Convert to fraction form
    1,979,963,447.39/2,968,098,839.00 = 668,948,655.23/x
  3. Step 3: Cross multiply
    1,979,963,447.39x = 2,968,098,839.00 × 668,948,655.23
  4. Step 4: Simplify right side
    1,979,963,447.39x = 1,985,505,726,935,429,632
  5. Step 5: Solve for x
    x = 1,985,505,726,935,429,632/1,979,963,447.39
  6. Step 6: Final answer
    x = 1,002,799,182.76

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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.