Home / 19,660,371,081.05-27,138,690,244.37-12,886,626,184.31

Finding the Fourth Proportional to 19,660,371,081.05, 27,138,690,244.37 and 12,886,626,184.31

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Solution

The fourth proportional to 19,660,371,081.05, 27,138,690,244.37 and 12,886,626,184.31 is: 17,788,380,232.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660,371,081.05 : 27,138,690,244.37 = 12,886,626,184.31 : x
  2. Step 2: Convert to fraction form
    19,660,371,081.05/27,138,690,244.37 = 12,886,626,184.31/x
  3. Step 3: Cross multiply
    19,660,371,081.05x = 27,138,690,244.37 × 12,886,626,184.31
  4. Step 4: Simplify right side
    19,660,371,081.05x = 349,726,156,311,069,786,112
  5. Step 5: Solve for x
    x = 349,726,156,311,069,786,112/19,660,371,081.05
  6. Step 6: Final answer
    x = 17,788,380,232.97

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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.