Home / 8,231,988,721.61-12,339,268,111.49-2,768,968,531.11

Finding the Fourth Proportional to 8,231,988,721.61, 12,339,268,111.49 and 2,768,968,531.11

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Solution

The fourth proportional to 8,231,988,721.61, 12,339,268,111.49 and 2,768,968,531.11 is: 4,150,521,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231,988,721.61 : 12,339,268,111.49 = 2,768,968,531.11 : x
  2. Step 2: Convert to fraction form
    8,231,988,721.61/12,339,268,111.49 = 2,768,968,531.11/x
  3. Step 3: Cross multiply
    8,231,988,721.61x = 12,339,268,111.49 × 2,768,968,531.11
  4. Step 4: Simplify right side
    8,231,988,721.61x = 34,167,045,097,653,235,712
  5. Step 5: Solve for x
    x = 34,167,045,097,653,235,712/8,231,988,721.61
  6. Step 6: Final answer
    x = 4,150,521,368.91

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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.