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Finding the Fourth Proportional to 1,049,203,743.80, 1,573,805,615.70 and 503,813,766.20

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Solution

The fourth proportional to 1,049,203,743.80, 1,573,805,615.70 and 503,813,766.20 is: 755,720,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,203,743.80 : 1,573,805,615.70 = 503,813,766.20 : x
  2. Step 2: Convert to fraction form
    1,049,203,743.80/1,573,805,615.70 = 503,813,766.20/x
  3. Step 3: Cross multiply
    1,049,203,743.80x = 1,573,805,615.70 × 503,813,766.20
  4. Step 4: Simplify right side
    1,049,203,743.80x = 792,904,934,512,526,848
  5. Step 5: Solve for x
    x = 792,904,934,512,526,848/1,049,203,743.80
  6. Step 6: Final answer
    x = 755,720,649.30

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Double scale
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Similar ratio
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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.