Home / 15,856,662,705.80-21,882,769,874.09-9,083,790,272.39

Finding the Fourth Proportional to 15,856,662,705.80, 21,882,769,874.09 and 9,083,790,272.39

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Solution

The fourth proportional to 15,856,662,705.80, 21,882,769,874.09 and 9,083,790,272.39 is: 12,535,960,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,856,662,705.80 : 21,882,769,874.09 = 9,083,790,272.39 : x
  2. Step 2: Convert to fraction form
    15,856,662,705.80/21,882,769,874.09 = 9,083,790,272.39/x
  3. Step 3: Cross multiply
    15,856,662,705.80x = 21,882,769,874.09 × 9,083,790,272.39
  4. Step 4: Simplify right side
    15,856,662,705.80x = 198,778,492,115,300,253,696
  5. Step 5: Solve for x
    x = 198,778,492,115,300,253,696/15,856,662,705.80
  6. Step 6: Final answer
    x = 12,535,960,170.40

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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.