Home / 18,738,663,577.32-28,112,647,550.85-9,299,737,319.12

Finding the Fourth Proportional to 18,738,663,577.32, 28,112,647,550.85 and 9,299,737,319.12

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Solution

The fourth proportional to 18,738,663,577.32, 28,112,647,550.85 and 9,299,737,319.12 is: 13,951,914,793.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738,663,577.32 : 28,112,647,550.85 = 9,299,737,319.12 : x
  2. Step 2: Convert to fraction form
    18,738,663,577.32/28,112,647,550.85 = 9,299,737,319.12/x
  3. Step 3: Cross multiply
    18,738,663,577.32x = 28,112,647,550.85 × 9,299,737,319.12
  4. Step 4: Simplify right side
    18,738,663,577.32x = 261,440,237,567,865,225,216
  5. Step 5: Solve for x
    x = 261,440,237,567,865,225,216/18,738,663,577.32
  6. Step 6: Final answer
    x = 13,951,914,793.13

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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.