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Finding the Fourth Proportional to 1,049,299,706.70, 1,573,232,114.70 and 496,866,787.20

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Solution

The fourth proportional to 1,049,299,706.70, 1,573,232,114.70 and 496,866,787.20 is: 744,960,454.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,299,706.70 : 1,573,232,114.70 = 496,866,787.20 : x
  2. Step 2: Convert to fraction form
    1,049,299,706.70/1,573,232,114.70 = 496,866,787.20/x
  3. Step 3: Cross multiply
    1,049,299,706.70x = 1,573,232,114.70 × 496,866,787.20
  4. Step 4: Simplify right side
    1,049,299,706.70x = 781,686,786,350,850,944
  5. Step 5: Solve for x
    x = 781,686,786,350,850,944/1,049,299,706.70
  6. Step 6: Final answer
    x = 744,960,454.44

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Double scale
Find fourth proportional to 1,049,299,707.70, 1,573,232,116.20 and 496,866,788.20
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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.