Home / 12,832,725,080.95-17,706,819,039.08-7,405,280,679.89

Finding the Fourth Proportional to 12,832,725,080.95, 17,706,819,039.08 and 7,405,280,679.89

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Solution

The fourth proportional to 12,832,725,080.95, 17,706,819,039.08 and 7,405,280,679.89 is: 10,217,936,105.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,832,725,080.95 : 17,706,819,039.08 = 7,405,280,679.89 : x
  2. Step 2: Convert to fraction form
    12,832,725,080.95/17,706,819,039.08 = 7,405,280,679.89/x
  3. Step 3: Cross multiply
    12,832,725,080.95x = 17,706,819,039.08 × 7,405,280,679.89
  4. Step 4: Simplify right side
    12,832,725,080.95x = 131,123,964,932,414,783,488
  5. Step 5: Solve for x
    x = 131,123,964,932,414,783,488/12,832,725,080.95
  6. Step 6: Final answer
    x = 10,217,936,105.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.