Home / 7,857,794,401.20-11,786,691,601.80-3,928,107,070.80

Finding the Fourth Proportional to 7,857,794,401.20, 11,786,691,601.80 and 3,928,107,070.80

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Solution

The fourth proportional to 7,857,794,401.20, 11,786,691,601.80 and 3,928,107,070.80 is: 5,892,160,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857,794,401.20 : 11,786,691,601.80 = 3,928,107,070.80 : x
  2. Step 2: Convert to fraction form
    7,857,794,401.20/11,786,691,601.80 = 3,928,107,070.80/x
  3. Step 3: Cross multiply
    7,857,794,401.20x = 11,786,691,601.80 × 3,928,107,070.80
  4. Step 4: Simplify right side
    7,857,794,401.20x = 46,299,386,622,369,554,432
  5. Step 5: Solve for x
    x = 46,299,386,622,369,554,432/7,857,794,401.20
  6. Step 6: Final answer
    x = 5,892,160,606.20

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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.