Home / 538,532,347.14-807,798,491.55-129,588,541.38

Finding the Fourth Proportional to 538,532,347.14, 807,798,491.55 and 129,588,541.38

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Solution

The fourth proportional to 538,532,347.14, 807,798,491.55 and 129,588,541.38 is: 194,382,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,532,347.14 : 807,798,491.55 = 129,588,541.38 : x
  2. Step 2: Convert to fraction form
    538,532,347.14/807,798,491.55 = 129,588,541.38/x
  3. Step 3: Cross multiply
    538,532,347.14x = 807,798,491.55 × 129,588,541.38
  4. Step 4: Simplify right side
    538,532,347.14x = 104,681,428,248,928,752
  5. Step 5: Solve for x
    x = 104,681,428,248,928,752/538,532,347.14
  6. Step 6: Final answer
    x = 194,382,805.05

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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.