Home / 2,138,914,020.66-3,206,106,623.88-719,459,876.86

Finding the Fourth Proportional to 2,138,914,020.66, 3,206,106,623.88 and 719,459,876.86

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Solution

The fourth proportional to 2,138,914,020.66, 3,206,106,623.88 and 719,459,876.86 is: 1,078,428,143.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,914,020.66 : 3,206,106,623.88 = 719,459,876.86 : x
  2. Step 2: Convert to fraction form
    2,138,914,020.66/3,206,106,623.88 = 719,459,876.86/x
  3. Step 3: Cross multiply
    2,138,914,020.66x = 3,206,106,623.88 × 719,459,876.86
  4. Step 4: Simplify right side
    2,138,914,020.66x = 2,306,665,076,816,735,232
  5. Step 5: Solve for x
    x = 2,306,665,076,816,735,232/2,138,914,020.66
  6. Step 6: Final answer
    x = 1,078,428,143.69

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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.