Home / 12,157,842,640.42-18,213,013,623.34-8,375,566,881.64

Finding the Fourth Proportional to 12,157,842,640.42, 18,213,013,623.34 and 8,375,566,881.64

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Solution

The fourth proportional to 12,157,842,640.42, 18,213,013,623.34 and 8,375,566,881.64 is: 12,546,988,658.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157,842,640.42 : 18,213,013,623.34 = 8,375,566,881.64 : x
  2. Step 2: Convert to fraction form
    12,157,842,640.42/18,213,013,623.34 = 8,375,566,881.64/x
  3. Step 3: Cross multiply
    12,157,842,640.42x = 18,213,013,623.34 × 8,375,566,881.64
  4. Step 4: Simplify right side
    12,157,842,640.42x = 152,544,313,718,504,652,800
  5. Step 5: Solve for x
    x = 152,544,313,718,504,652,800/12,157,842,640.42
  6. Step 6: Final answer
    x = 12,546,988,658.28

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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.