Home / 1,008,840,647.20-1,514,394,711.60-779,825,005.60

Finding the Fourth Proportional to 1,008,840,647.20, 1,514,394,711.60 and 779,825,005.60

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Solution

The fourth proportional to 1,008,840,647.20, 1,514,394,711.60 and 779,825,005.60 is: 1,170,613,880.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,840,647.20 : 1,514,394,711.60 = 779,825,005.60 : x
  2. Step 2: Convert to fraction form
    1,008,840,647.20/1,514,394,711.60 = 779,825,005.60/x
  3. Step 3: Cross multiply
    1,008,840,647.20x = 1,514,394,711.60 × 779,825,005.60
  4. Step 4: Simplify right side
    1,008,840,647.20x = 1,180,962,864,454,080,256
  5. Step 5: Solve for x
    x = 1,180,962,864,454,080,256/1,008,840,647.20
  6. Step 6: Final answer
    x = 1,170,613,880.13

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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.