Home / 928,053,414.75-1,280,747,385.68-531,653,016.27

Finding the Fourth Proportional to 928,053,414.75, 1,280,747,385.68 and 531,653,016.27

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Solution

The fourth proportional to 928,053,414.75, 1,280,747,385.68 and 531,653,016.27 is: 733,700,452.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,053,414.75 : 1,280,747,385.68 = 531,653,016.27 : x
  2. Step 2: Convert to fraction form
    928,053,414.75/1,280,747,385.68 = 531,653,016.27/x
  3. Step 3: Cross multiply
    928,053,414.75x = 1,280,747,385.68 × 531,653,016.27
  4. Step 4: Simplify right side
    928,053,414.75x = 680,913,210,674,030,720
  5. Step 5: Solve for x
    x = 680,913,210,674,030,720/928,053,414.75
  6. Step 6: Final answer
    x = 733,700,452.85

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1.5x scale

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.