Home / 12,813,725,105.07-17,689,072,381.47-8,534,060,459.58

Finding the Fourth Proportional to 12,813,725,105.07, 17,689,072,381.47 and 8,534,060,459.58

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Solution

The fourth proportional to 12,813,725,105.07, 17,689,072,381.47 and 8,534,060,459.58 is: 11,781,087,227.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813,725,105.07 : 17,689,072,381.47 = 8,534,060,459.58 : x
  2. Step 2: Convert to fraction form
    12,813,725,105.07/17,689,072,381.47 = 8,534,060,459.58/x
  3. Step 3: Cross multiply
    12,813,725,105.07x = 17,689,072,381.47 × 8,534,060,459.58
  4. Step 4: Simplify right side
    12,813,725,105.07x = 150,959,613,177,351,766,016
  5. Step 5: Solve for x
    x = 150,959,613,177,351,766,016/12,813,725,105.07
  6. Step 6: Final answer
    x = 11,781,087,227.91

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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.