Home / 863,102,471.40-1,294,653,707.10-495,770,452.20

Finding the Fourth Proportional to 863,102,471.40, 1,294,653,707.10 and 495,770,452.20

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Solution

The fourth proportional to 863,102,471.40, 1,294,653,707.10 and 495,770,452.20 is: 743,655,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,102,471.40 : 1,294,653,707.10 = 495,770,452.20 : x
  2. Step 2: Convert to fraction form
    863,102,471.40/1,294,653,707.10 = 495,770,452.20/x
  3. Step 3: Cross multiply
    863,102,471.40x = 1,294,653,707.10 × 495,770,452.20
  4. Step 4: Simplify right side
    863,102,471.40x = 641,851,053,811,373,312
  5. Step 5: Solve for x
    x = 641,851,053,811,373,312/863,102,471.40
  6. Step 6: Final answer
    x = 743,655,678.30

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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.