Home / 8,263,085,713.20-12,394,628,569.80-8,185,601,615.40

Finding the Fourth Proportional to 8,263,085,713.20, 12,394,628,569.80 and 8,185,601,615.40

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Solution

The fourth proportional to 8,263,085,713.20, 12,394,628,569.80 and 8,185,601,615.40 is: 12,278,402,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263,085,713.20 : 12,394,628,569.80 = 8,185,601,615.40 : x
  2. Step 2: Convert to fraction form
    8,263,085,713.20/12,394,628,569.80 = 8,185,601,615.40/x
  3. Step 3: Cross multiply
    8,263,085,713.20x = 12,394,628,569.80 × 8,185,601,615.40
  4. Step 4: Simplify right side
    8,263,085,713.20x = 101,457,491,643,237,859,328
  5. Step 5: Solve for x
    x = 101,457,491,643,237,859,328/8,263,085,713.20
  6. Step 6: Final answer
    x = 12,278,402,423.10

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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.