Home / 1,034,640,100.20-1,551,960,150.30-460,211,428.20

Finding the Fourth Proportional to 1,034,640,100.20, 1,551,960,150.30 and 460,211,428.20

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Solution

The fourth proportional to 1,034,640,100.20, 1,551,960,150.30 and 460,211,428.20 is: 690,317,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,640,100.20 : 1,551,960,150.30 = 460,211,428.20 : x
  2. Step 2: Convert to fraction form
    1,034,640,100.20/1,551,960,150.30 = 460,211,428.20/x
  3. Step 3: Cross multiply
    1,034,640,100.20x = 1,551,960,150.30 × 460,211,428.20
  4. Step 4: Simplify right side
    1,034,640,100.20x = 714,229,797,279,049,600
  5. Step 5: Solve for x
    x = 714,229,797,279,049,600/1,034,640,100.20
  6. Step 6: Final answer
    x = 690,317,142.30

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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.