Home / 449,415,507.52-674,123,261.44-126,299,379.52

Finding the Fourth Proportional to 449,415,507.52, 674,123,261.44 and 126,299,379.52

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Solution

The fourth proportional to 449,415,507.52, 674,123,261.44 and 126,299,379.52 is: 189,449,069.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,415,507.52 : 674,123,261.44 = 126,299,379.52 : x
  2. Step 2: Convert to fraction form
    449,415,507.52/674,123,261.44 = 126,299,379.52/x
  3. Step 3: Cross multiply
    449,415,507.52x = 674,123,261.44 × 126,299,379.52
  4. Step 4: Simplify right side
    449,415,507.52x = 85,141,349,639,870,752
  5. Step 5: Solve for x
    x = 85,141,349,639,870,752/449,415,507.52
  6. Step 6: Final answer
    x = 189,449,069.32

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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.