Home / 518,325,767.28-777,488,650.92-484,313,543.28

Finding the Fourth Proportional to 518,325,767.28, 777,488,650.92 and 484,313,543.28

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Solution

The fourth proportional to 518,325,767.28, 777,488,650.92 and 484,313,543.28 is: 726,470,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,325,767.28 : 777,488,650.92 = 484,313,543.28 : x
  2. Step 2: Convert to fraction form
    518,325,767.28/777,488,650.92 = 484,313,543.28/x
  3. Step 3: Cross multiply
    518,325,767.28x = 777,488,650.92 × 484,313,543.28
  4. Step 4: Simplify right side
    518,325,767.28x = 376,548,283,380,743,168
  5. Step 5: Solve for x
    x = 376,548,283,380,743,168/518,325,767.28
  6. Step 6: Final answer
    x = 726,470,314.91

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Similar ratio
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1.5x scale

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.