Home / 53,091,288,010.80-79,636,932,016.20-21,631,787,710.20

Finding the Fourth Proportional to 53,091,288,010.80, 79,636,932,016.20 and 21,631,787,710.20

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Solution

The fourth proportional to 53,091,288,010.80, 79,636,932,016.20 and 21,631,787,710.20 is: 32,447,681,565.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,091,288,010.80 : 79,636,932,016.20 = 21,631,787,710.20 : x
  2. Step 2: Convert to fraction form
    53,091,288,010.80/79,636,932,016.20 = 21,631,787,710.20/x
  3. Step 3: Cross multiply
    53,091,288,010.80x = 79,636,932,016.20 × 21,631,787,710.20
  4. Step 4: Simplify right side
    53,091,288,010.80x = 1,722,689,207,266,068,135,936
  5. Step 5: Solve for x
    x = 1,722,689,207,266,068,135,936/53,091,288,010.80
  6. Step 6: Final answer
    x = 32,447,681,565.30

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Double scale
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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.