Home / 1,073,113,612.20-1,609,670,418.30-659,865,090.60

Finding the Fourth Proportional to 1,073,113,612.20, 1,609,670,418.30 and 659,865,090.60

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Solution

The fourth proportional to 1,073,113,612.20, 1,609,670,418.30 and 659,865,090.60 is: 989,797,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,113,612.20 : 1,609,670,418.30 = 659,865,090.60 : x
  2. Step 2: Convert to fraction form
    1,073,113,612.20/1,609,670,418.30 = 659,865,090.60/x
  3. Step 3: Cross multiply
    1,073,113,612.20x = 1,609,670,418.30 × 659,865,090.60
  4. Step 4: Simplify right side
    1,073,113,612.20x = 1,062,165,316,407,669,376
  5. Step 5: Solve for x
    x = 1,062,165,316,407,669,376/1,073,113,612.20
  6. Step 6: Final answer
    x = 989,797,635.90

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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.