Home / 12,172,590,705.53-18,246,142,407.33-5,094,129,151.28

Finding the Fourth Proportional to 12,172,590,705.53, 18,246,142,407.33 and 5,094,129,151.28

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Solution

The fourth proportional to 12,172,590,705.53, 18,246,142,407.33 and 5,094,129,151.28 is: 7,635,860,613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,172,590,705.53 : 18,246,142,407.33 = 5,094,129,151.28 : x
  2. Step 2: Convert to fraction form
    12,172,590,705.53/18,246,142,407.33 = 5,094,129,151.28/x
  3. Step 3: Cross multiply
    12,172,590,705.53x = 18,246,142,407.33 × 5,094,129,151.28
  4. Step 4: Simplify right side
    12,172,590,705.53x = 92,948,205,935,494,758,400
  5. Step 5: Solve for x
    x = 92,948,205,935,494,758,400/12,172,590,705.53
  6. Step 6: Final answer
    x = 7,635,860,613.74

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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.