Home / 12,984,348,237.89-17,916,888,910.12-7,268,945,631.17

Finding the Fourth Proportional to 12,984,348,237.89, 17,916,888,910.12 and 7,268,945,631.17

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Solution

The fourth proportional to 12,984,348,237.89, 17,916,888,910.12 and 7,268,945,631.17 is: 10,030,298,708.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984,348,237.89 : 17,916,888,910.12 = 7,268,945,631.17 : x
  2. Step 2: Convert to fraction form
    12,984,348,237.89/17,916,888,910.12 = 7,268,945,631.17/x
  3. Step 3: Cross multiply
    12,984,348,237.89x = 17,916,888,910.12 × 7,268,945,631.17
  4. Step 4: Simplify right side
    12,984,348,237.89x = 130,236,891,367,374,995,456
  5. Step 5: Solve for x
    x = 130,236,891,367,374,995,456/12,984,348,237.89
  6. Step 6: Final answer
    x = 10,030,298,708.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.