Home / 784,944,015.90-1,177,416,023.85-239,614,691.10

Finding the Fourth Proportional to 784,944,015.90, 1,177,416,023.85 and 239,614,691.10

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Solution

The fourth proportional to 784,944,015.90, 1,177,416,023.85 and 239,614,691.10 is: 359,422,036.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,944,015.90 : 1,177,416,023.85 = 239,614,691.10 : x
  2. Step 2: Convert to fraction form
    784,944,015.90/1,177,416,023.85 = 239,614,691.10/x
  3. Step 3: Cross multiply
    784,944,015.90x = 1,177,416,023.85 × 239,614,691.10
  4. Step 4: Simplify right side
    784,944,015.90x = 282,126,176,851,007,968
  5. Step 5: Solve for x
    x = 282,126,176,851,007,968/784,944,015.90
  6. Step 6: Final answer
    x = 359,422,036.65

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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.