Home / 726,798,228.30-1,002,976,452.78-396,773,367.30

Finding the Fourth Proportional to 726,798,228.30, 1,002,976,452.78 and 396,773,367.30

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Solution

The fourth proportional to 726,798,228.30, 1,002,976,452.78 and 396,773,367.30 is: 547,544,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,798,228.30 : 1,002,976,452.78 = 396,773,367.30 : x
  2. Step 2: Convert to fraction form
    726,798,228.30/1,002,976,452.78 = 396,773,367.30/x
  3. Step 3: Cross multiply
    726,798,228.30x = 1,002,976,452.78 × 396,773,367.30
  4. Step 4: Simplify right side
    726,798,228.30x = 397,954,344,492,130,048
  5. Step 5: Solve for x
    x = 397,954,344,492,130,048/726,798,228.30
  6. Step 6: Final answer
    x = 547,544,461.44

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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.