Home / 18,055,895,896.80-27,083,843,845.20-13,647,911,666.40

Finding the Fourth Proportional to 18,055,895,896.80, 27,083,843,845.20 and 13,647,911,666.40

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Solution

The fourth proportional to 18,055,895,896.80, 27,083,843,845.20 and 13,647,911,666.40 is: 20,471,867,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,055,895,896.80 : 27,083,843,845.20 = 13,647,911,666.40 : x
  2. Step 2: Convert to fraction form
    18,055,895,896.80/27,083,843,845.20 = 13,647,911,666.40/x
  3. Step 3: Cross multiply
    18,055,895,896.80x = 27,083,843,845.20 × 13,647,911,666.40
  4. Step 4: Simplify right side
    18,055,895,896.80x = 369,637,908,385,860,943,872
  5. Step 5: Solve for x
    x = 369,637,908,385,860,943,872/18,055,895,896.80
  6. Step 6: Final answer
    x = 20,471,867,499.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.