Home / 543,865,747.60-815,712,016.20-180,360,103.60

Finding the Fourth Proportional to 543,865,747.60, 815,712,016.20 and 180,360,103.60

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Solution

The fourth proportional to 543,865,747.60, 815,712,016.20 and 180,360,103.60 is: 270,511,434.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,865,747.60 : 815,712,016.20 = 180,360,103.60 : x
  2. Step 2: Convert to fraction form
    543,865,747.60/815,712,016.20 = 180,360,103.60/x
  3. Step 3: Cross multiply
    543,865,747.60x = 815,712,016.20 × 180,360,103.60
  4. Step 4: Simplify right side
    543,865,747.60x = 147,121,903,749,596,896
  5. Step 5: Solve for x
    x = 147,121,903,749,596,896/543,865,747.60
  6. Step 6: Final answer
    x = 270,511,434.85

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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.