Home / 392,446,098.87-541,405,444.53-233,587,146.21

Finding the Fourth Proportional to 392,446,098.87, 541,405,444.53 and 233,587,146.21

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Solution

The fourth proportional to 392,446,098.87, 541,405,444.53 and 233,587,146.21 is: 322,248,974.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,446,098.87 : 541,405,444.53 = 233,587,146.21 : x
  2. Step 2: Convert to fraction form
    392,446,098.87/541,405,444.53 = 233,587,146.21/x
  3. Step 3: Cross multiply
    392,446,098.87x = 541,405,444.53 × 233,587,146.21
  4. Step 4: Simplify right side
    392,446,098.87x = 126,465,352,730,319,152
  5. Step 5: Solve for x
    x = 126,465,352,730,319,152/392,446,098.87
  6. Step 6: Final answer
    x = 322,248,974.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.