Home / 449,415,452.16-674,123,178.24-126,299,324.16

Finding the Fourth Proportional to 449,415,452.16, 674,123,178.24 and 126,299,324.16

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Solution

The fourth proportional to 449,415,452.16, 674,123,178.24 and 126,299,324.16 is: 189,448,986.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,415,452.16 : 674,123,178.24 = 126,299,324.16 : x
  2. Step 2: Convert to fraction form
    449,415,452.16/674,123,178.24 = 126,299,324.16/x
  3. Step 3: Cross multiply
    449,415,452.16x = 674,123,178.24 × 126,299,324.16
  4. Step 4: Simplify right side
    449,415,452.16x = 85,141,301,808,301,104
  5. Step 5: Solve for x
    x = 85,141,301,808,301,104/449,415,452.16
  6. Step 6: Final answer
    x = 189,448,986.23

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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.