Home / 408,760,901.43-613,111,693.56-159,719,331.22

Finding the Fourth Proportional to 408,760,901.43, 613,111,693.56 and 159,719,331.22

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Solution

The fourth proportional to 408,760,901.43, 613,111,693.56 and 159,719,331.22 is: 239,567,408.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,760,901.43 : 613,111,693.56 = 159,719,331.22 : x
  2. Step 2: Convert to fraction form
    408,760,901.43/613,111,693.56 = 159,719,331.22/x
  3. Step 3: Cross multiply
    408,760,901.43x = 613,111,693.56 × 159,719,331.22
  4. Step 4: Simplify right side
    408,760,901.43x = 97,925,789,655,499,216
  5. Step 5: Solve for x
    x = 97,925,789,655,499,216/408,760,901.43
  6. Step 6: Final answer
    x = 239,567,408.02

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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.