Home / 342,188,667.20-512,905,087.20-188,944,702.40

Finding the Fourth Proportional to 342,188,667.20, 512,905,087.20 and 188,944,702.40

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Solution

The fourth proportional to 342,188,667.20, 512,905,087.20 and 188,944,702.40 is: 283,208,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,188,667.20 : 512,905,087.20 = 188,944,702.40 : x
  2. Step 2: Convert to fraction form
    342,188,667.20/512,905,087.20 = 188,944,702.40/x
  3. Step 3: Cross multiply
    342,188,667.20x = 512,905,087.20 × 188,944,702.40
  4. Step 4: Simplify right side
    342,188,667.20x = 96,910,699,060,450,048
  5. Step 5: Solve for x
    x = 96,910,699,060,450,048/342,188,667.20
  6. Step 6: Final answer
    x = 283,208,382.83

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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.