Home / 3,913,003,356.38-5,399,987,449.84-2,128,866,952.22

Finding the Fourth Proportional to 3,913,003,356.38, 5,399,987,449.84 and 2,128,866,952.22

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Solution

The fourth proportional to 3,913,003,356.38, 5,399,987,449.84 and 2,128,866,952.22 is: 2,937,859,689.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,003,356.38 : 5,399,987,449.84 = 2,128,866,952.22 : x
  2. Step 2: Convert to fraction form
    3,913,003,356.38/5,399,987,449.84 = 2,128,866,952.22/x
  3. Step 3: Cross multiply
    3,913,003,356.38x = 5,399,987,449.84 × 2,128,866,952.22
  4. Step 4: Simplify right side
    3,913,003,356.38x = 11,495,854,824,367,130,624
  5. Step 5: Solve for x
    x = 11,495,854,824,367,130,624/3,913,003,356.38
  6. Step 6: Final answer
    x = 2,937,859,689.19

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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.