Home / 1,049,299,369.20-1,573,231,608.45-496,866,449.70

Finding the Fourth Proportional to 1,049,299,369.20, 1,573,231,608.45 and 496,866,449.70

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Solution

The fourth proportional to 1,049,299,369.20, 1,573,231,608.45 and 496,866,449.70 is: 744,959,948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,299,369.20 : 1,573,231,608.45 = 496,866,449.70 : x
  2. Step 2: Convert to fraction form
    1,049,299,369.20/1,573,231,608.45 = 496,866,449.70/x
  3. Step 3: Cross multiply
    1,049,299,369.20x = 1,573,231,608.45 × 496,866,449.70
  4. Step 4: Simplify right side
    1,049,299,369.20x = 781,686,003,846,371,968
  5. Step 5: Solve for x
    x = 781,686,003,846,371,968/1,049,299,369.20
  6. Step 6: Final answer
    x = 744,959,948.32

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Double scale
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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.