Home / 1,073,148,766.20-1,609,723,149.30-613,983,742.20

Finding the Fourth Proportional to 1,073,148,766.20, 1,609,723,149.30 and 613,983,742.20

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Solution

The fourth proportional to 1,073,148,766.20, 1,609,723,149.30 and 613,983,742.20 is: 920,975,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,148,766.20 : 1,609,723,149.30 = 613,983,742.20 : x
  2. Step 2: Convert to fraction form
    1,073,148,766.20/1,609,723,149.30 = 613,983,742.20/x
  3. Step 3: Cross multiply
    1,073,148,766.20x = 1,609,723,149.30 × 613,983,742.20
  4. Step 4: Simplify right side
    1,073,148,766.20x = 988,343,843,113,183,360
  5. Step 5: Solve for x
    x = 988,343,843,113,183,360/1,073,148,766.20
  6. Step 6: Final answer
    x = 920,975,613.30

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Double scale
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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.