Home / 12,246,603,966.72-18,354,982,020.48-6,347,911,196.16

Finding the Fourth Proportional to 12,246,603,966.72, 18,354,982,020.48 and 6,347,911,196.16

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Solution

The fourth proportional to 12,246,603,966.72, 18,354,982,020.48 and 6,347,911,196.16 is: 9,514,131,116.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246,603,966.72 : 18,354,982,020.48 = 6,347,911,196.16 : x
  2. Step 2: Convert to fraction form
    12,246,603,966.72/18,354,982,020.48 = 6,347,911,196.16/x
  3. Step 3: Cross multiply
    12,246,603,966.72x = 18,354,982,020.48 × 6,347,911,196.16
  4. Step 4: Simplify right side
    12,246,603,966.72x = 116,515,795,873,120,485,376
  5. Step 5: Solve for x
    x = 116,515,795,873,120,485,376/12,246,603,966.72
  6. Step 6: Final answer
    x = 9,514,131,116.65

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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.