Home / 477,240,917.95-715,862,207.30-149,741,564.22

Finding the Fourth Proportional to 477,240,917.95, 715,862,207.30 and 149,741,564.22

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Solution

The fourth proportional to 477,240,917.95, 715,862,207.30 and 149,741,564.22 is: 224,612,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,240,917.95 : 715,862,207.30 = 149,741,564.22 : x
  2. Step 2: Convert to fraction form
    477,240,917.95/715,862,207.30 = 149,741,564.22/x
  3. Step 3: Cross multiply
    477,240,917.95x = 715,862,207.30 × 149,741,564.22
  4. Step 4: Simplify right side
    477,240,917.95x = 107,194,326,686,335,184
  5. Step 5: Solve for x
    x = 107,194,326,686,335,184/477,240,917.95
  6. Step 6: Final answer
    x = 224,612,606.87

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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.