Home / 13,823,128,436.76-19,068,889,545.45-8,396,219,905.20

Finding the Fourth Proportional to 13,823,128,436.76, 19,068,889,545.45 and 8,396,219,905.20

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Solution

The fourth proportional to 13,823,128,436.76, 19,068,889,545.45 and 8,396,219,905.20 is: 11,582,514,819.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823,128,436.76 : 19,068,889,545.45 = 8,396,219,905.20 : x
  2. Step 2: Convert to fraction form
    13,823,128,436.76/19,068,889,545.45 = 8,396,219,905.20/x
  3. Step 3: Cross multiply
    13,823,128,436.76x = 19,068,889,545.45 × 8,396,219,905.20
  4. Step 4: Simplify right side
    13,823,128,436.76x = 160,106,589,971,567,476,736
  5. Step 5: Solve for x
    x = 160,106,589,971,567,476,736/13,823,128,436.76
  6. Step 6: Final answer
    x = 11,582,514,819.57

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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.