Home / 928,053,422.76-1,280,747,396.72-531,653,024.28

Finding the Fourth Proportional to 928,053,422.76, 1,280,747,396.72 and 531,653,024.28

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Solution

The fourth proportional to 928,053,422.76, 1,280,747,396.72 and 531,653,024.28 is: 733,700,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,053,422.76 : 1,280,747,396.72 = 531,653,024.28 : x
  2. Step 2: Convert to fraction form
    928,053,422.76/1,280,747,396.72 = 531,653,024.28/x
  3. Step 3: Cross multiply
    928,053,422.76x = 1,280,747,396.72 × 531,653,024.28
  4. Step 4: Simplify right side
    928,053,422.76x = 680,913,226,804,924,928
  5. Step 5: Solve for x
    x = 680,913,226,804,924,928/928,053,422.76
  6. Step 6: Final answer
    x = 733,700,463.90

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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.