Home / 538,532,342.64-807,798,484.80-129,588,536.88

Finding the Fourth Proportional to 538,532,342.64, 807,798,484.80 and 129,588,536.88

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Solution

The fourth proportional to 538,532,342.64, 807,798,484.80 and 129,588,536.88 is: 194,382,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,532,342.64 : 807,798,484.80 = 129,588,536.88 : x
  2. Step 2: Convert to fraction form
    538,532,342.64/807,798,484.80 = 129,588,536.88/x
  3. Step 3: Cross multiply
    538,532,342.64x = 807,798,484.80 × 129,588,536.88
  4. Step 4: Simplify right side
    538,532,342.64x = 104,681,423,739,112,912
  5. Step 5: Solve for x
    x = 104,681,423,739,112,912/538,532,342.64
  6. Step 6: Final answer
    x = 194,382,798.30

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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.