Home / 408,884,019.60-613,023,514.20-193,221,325.20

Finding the Fourth Proportional to 408,884,019.60, 613,023,514.20 and 193,221,325.20

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Solution

The fourth proportional to 408,884,019.60, 613,023,514.20 and 193,221,325.20 is: 289,689,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,884,019.60 : 613,023,514.20 = 193,221,325.20 : x
  2. Step 2: Convert to fraction form
    408,884,019.60/613,023,514.20 = 193,221,325.20/x
  3. Step 3: Cross multiply
    408,884,019.60x = 613,023,514.20 × 193,221,325.20
  4. Step 4: Simplify right side
    408,884,019.60x = 118,449,215,792,485,024
  5. Step 5: Solve for x
    x = 118,449,215,792,485,024/408,884,019.60
  6. Step 6: Final answer
    x = 289,689,031.89

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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.