Home / 2,979,055,986.90-4,110,945,317.10-1,640,917,269.96

Finding the Fourth Proportional to 2,979,055,986.90, 4,110,945,317.10 and 1,640,917,269.96

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Solution

The fourth proportional to 2,979,055,986.90, 4,110,945,317.10 and 1,640,917,269.96 is: 2,264,382,138.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,055,986.90 : 4,110,945,317.10 = 1,640,917,269.96 : x
  2. Step 2: Convert to fraction form
    2,979,055,986.90/4,110,945,317.10 = 1,640,917,269.96/x
  3. Step 3: Cross multiply
    2,979,055,986.90x = 4,110,945,317.10 × 1,640,917,269.96
  4. Step 4: Simplify right side
    2,979,055,986.90x = 6,745,721,166,690,578,432
  5. Step 5: Solve for x
    x = 6,745,721,166,690,578,432/2,979,055,986.90
  6. Step 6: Final answer
    x = 2,264,382,138.62

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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.