Home / 15,146,970,163.92-20,902,417,859.88-8,464,021,644.24

Finding the Fourth Proportional to 15,146,970,163.92, 20,902,417,859.88 and 8,464,021,644.24

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Solution

The fourth proportional to 15,146,970,163.92, 20,902,417,859.88 and 8,464,021,644.24 is: 11,680,125,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146,970,163.92 : 20,902,417,859.88 = 8,464,021,644.24 : x
  2. Step 2: Convert to fraction form
    15,146,970,163.92/20,902,417,859.88 = 8,464,021,644.24/x
  3. Step 3: Cross multiply
    15,146,970,163.92x = 20,902,417,859.88 × 8,464,021,644.24
  4. Step 4: Simplify right side
    15,146,970,163.92x = 176,918,517,182,973,050,880
  5. Step 5: Solve for x
    x = 176,918,517,182,973,050,880/15,146,970,163.92
  6. Step 6: Final answer
    x = 11,680,125,811.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.