Home / 543,870,676.40-815,806,014.60-180,317,793.20

Finding the Fourth Proportional to 543,870,676.40, 815,806,014.60 and 180,317,793.20

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Solution

The fourth proportional to 543,870,676.40, 815,806,014.60 and 180,317,793.20 is: 270,476,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,870,676.40 : 815,806,014.60 = 180,317,793.20 : x
  2. Step 2: Convert to fraction form
    543,870,676.40/815,806,014.60 = 180,317,793.20/x
  3. Step 3: Cross multiply
    543,870,676.40x = 815,806,014.60 × 180,317,793.20
  4. Step 4: Simplify right side
    543,870,676.40x = 147,104,340,231,958,976
  5. Step 5: Solve for x
    x = 147,104,340,231,958,976/543,870,676.40
  6. Step 6: Final answer
    x = 270,476,689.80

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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.