Home / 12,172,590,595.85-18,246,142,243.05-5,094,129,041.66

Finding the Fourth Proportional to 12,172,590,595.85, 18,246,142,243.05 and 5,094,129,041.66

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Solution

The fourth proportional to 12,172,590,595.85, 18,246,142,243.05 and 5,094,129,041.66 is: 7,635,860,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,172,590,595.85 : 18,246,142,243.05 = 5,094,129,041.66 : x
  2. Step 2: Convert to fraction form
    12,172,590,595.85/18,246,142,243.05 = 5,094,129,041.66/x
  3. Step 3: Cross multiply
    12,172,590,595.85x = 18,246,142,243.05 × 5,094,129,041.66
  4. Step 4: Simplify right side
    12,172,590,595.85x = 92,948,203,098,580,336,640
  5. Step 5: Solve for x
    x = 92,948,203,098,580,336,640/12,172,590,595.85
  6. Step 6: Final answer
    x = 7,635,860,449.48

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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.