Home / 10,218,920,918.64-15,328,279,190.40-3,231,733,055.28

Finding the Fourth Proportional to 10,218,920,918.64, 15,328,279,190.40 and 3,231,733,055.28

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Solution

The fourth proportional to 10,218,920,918.64, 15,328,279,190.40 and 3,231,733,055.28 is: 4,847,567,266.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218,920,918.64 : 15,328,279,190.40 = 3,231,733,055.28 : x
  2. Step 2: Convert to fraction form
    10,218,920,918.64/15,328,279,190.40 = 3,231,733,055.28/x
  3. Step 3: Cross multiply
    10,218,920,918.64x = 15,328,279,190.40 × 3,231,733,055.28
  4. Step 4: Simplify right side
    10,218,920,918.64x = 49,536,906,540,176,236,544
  5. Step 5: Solve for x
    x = 49,536,906,540,176,236,544/10,218,920,918.64
  6. Step 6: Final answer
    x = 4,847,567,266.11

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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.