Home / 5,199,957,215.87-7,175,954,719.17-2,821,095,079.25

Finding the Fourth Proportional to 5,199,957,215.87, 7,175,954,719.17 and 2,821,095,079.25

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Solution

The fourth proportional to 5,199,957,215.87, 7,175,954,719.17 and 2,821,095,079.25 is: 3,893,118,675.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,957,215.87 : 7,175,954,719.17 = 2,821,095,079.25 : x
  2. Step 2: Convert to fraction form
    5,199,957,215.87/7,175,954,719.17 = 2,821,095,079.25/x
  3. Step 3: Cross multiply
    5,199,957,215.87x = 7,175,954,719.17 × 2,821,095,079.25
  4. Step 4: Simplify right side
    5,199,957,215.87x = 20,244,050,547,135,422,464
  5. Step 5: Solve for x
    x = 20,244,050,547,135,422,464/5,199,957,215.87
  6. Step 6: Final answer
    x = 3,893,118,675.16

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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.