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Finding the Fourth Proportional to 1,049,203,741.80, 1,573,805,612.70 and 503,813,764.20

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Solution

The fourth proportional to 1,049,203,741.80, 1,573,805,612.70 and 503,813,764.20 is: 755,720,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,203,741.80 : 1,573,805,612.70 = 503,813,764.20 : x
  2. Step 2: Convert to fraction form
    1,049,203,741.80/1,573,805,612.70 = 503,813,764.20/x
  3. Step 3: Cross multiply
    1,049,203,741.80x = 1,573,805,612.70 × 503,813,764.20
  4. Step 4: Simplify right side
    1,049,203,741.80x = 792,904,929,853,474,304
  5. Step 5: Solve for x
    x = 792,904,929,853,474,304/1,049,203,741.80
  6. Step 6: Final answer
    x = 755,720,646.30

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Double scale
Find fourth proportional to 1,049,203,742.80, 1,573,805,614.20 and 503,813,765.20
Similar ratio
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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.