Home / 1,328,019,531.20-1,832,005,016.33-791,793,015.71

Finding the Fourth Proportional to 1,328,019,531.20, 1,832,005,016.33 and 791,793,015.71

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Solution

The fourth proportional to 1,328,019,531.20, 1,832,005,016.33 and 791,793,015.71 is: 1,092,279,701.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,019,531.20 : 1,832,005,016.33 = 791,793,015.71 : x
  2. Step 2: Convert to fraction form
    1,328,019,531.20/1,832,005,016.33 = 791,793,015.71/x
  3. Step 3: Cross multiply
    1,328,019,531.20x = 1,832,005,016.33 × 791,793,015.71
  4. Step 4: Simplify right side
    1,328,019,531.20x = 1,450,568,776,675,778,560
  5. Step 5: Solve for x
    x = 1,450,568,776,675,778,560/1,328,019,531.20
  6. Step 6: Final answer
    x = 1,092,279,701.16

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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.