Home / 561,087,502.40-841,650,499.20-172,907,249.60

Finding the Fourth Proportional to 561,087,502.40, 841,650,499.20 and 172,907,249.60

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Solution

The fourth proportional to 561,087,502.40, 841,650,499.20 and 172,907,249.60 is: 259,366,805.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,087,502.40 : 841,650,499.20 = 172,907,249.60 : x
  2. Step 2: Convert to fraction form
    561,087,502.40/841,650,499.20 = 172,907,249.60/x
  3. Step 3: Cross multiply
    561,087,502.40x = 841,650,499.20 × 172,907,249.60
  4. Step 4: Simplify right side
    561,087,502.40x = 145,527,472,941,139,008
  5. Step 5: Solve for x
    x = 145,527,472,941,139,008/561,087,502.40
  6. Step 6: Final answer
    x = 259,366,805.21

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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.