Home / 538,532,348.14-807,798,493.05-129,588,542.38

Finding the Fourth Proportional to 538,532,348.14, 807,798,493.05 and 129,588,542.38

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Solution

The fourth proportional to 538,532,348.14, 807,798,493.05 and 129,588,542.38 is: 194,382,806.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,532,348.14 : 807,798,493.05 = 129,588,542.38 : x
  2. Step 2: Convert to fraction form
    538,532,348.14/807,798,493.05 = 129,588,542.38/x
  3. Step 3: Cross multiply
    538,532,348.14x = 807,798,493.05 × 129,588,542.38
  4. Step 4: Simplify right side
    538,532,348.14x = 104,681,429,251,110,048
  5. Step 5: Solve for x
    x = 104,681,429,251,110,048/538,532,348.14
  6. Step 6: Final answer
    x = 194,382,806.55

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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.