Home / 979,543,082.88-1,351,769,479.02-539,509,934.88

Finding the Fourth Proportional to 979,543,082.88, 1,351,769,479.02 and 539,509,934.88

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Solution

The fourth proportional to 979,543,082.88, 1,351,769,479.02 and 539,509,934.88 is: 744,523,723.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,543,082.88 : 1,351,769,479.02 = 539,509,934.88 : x
  2. Step 2: Convert to fraction form
    979,543,082.88/1,351,769,479.02 = 539,509,934.88/x
  3. Step 3: Cross multiply
    979,543,082.88x = 1,351,769,479.02 × 539,509,934.88
  4. Step 4: Simplify right side
    979,543,082.88x = 729,293,063,598,851,712
  5. Step 5: Solve for x
    x = 729,293,063,598,851,712/979,543,082.88
  6. Step 6: Final answer
    x = 744,523,723.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.