Home / 892,053,008.70-1,338,079,513.05-543,374,568.60

Finding the Fourth Proportional to 892,053,008.70, 1,338,079,513.05 and 543,374,568.60

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Solution

The fourth proportional to 892,053,008.70, 1,338,079,513.05 and 543,374,568.60 is: 815,061,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,053,008.70 : 1,338,079,513.05 = 543,374,568.60 : x
  2. Step 2: Convert to fraction form
    892,053,008.70/1,338,079,513.05 = 543,374,568.60/x
  3. Step 3: Cross multiply
    892,053,008.70x = 1,338,079,513.05 × 543,374,568.60
  4. Step 4: Simplify right side
    892,053,008.70x = 727,078,378,156,041,856
  5. Step 5: Solve for x
    x = 727,078,378,156,041,856/892,053,008.70
  6. Step 6: Final answer
    x = 815,061,852.90

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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.