Home / 5,199,957,216.43-7,175,954,719.95-2,821,095,079.81

Finding the Fourth Proportional to 5,199,957,216.43, 7,175,954,719.95 and 2,821,095,079.81

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Solution

The fourth proportional to 5,199,957,216.43, 7,175,954,719.95 and 2,821,095,079.81 is: 3,893,118,675.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,957,216.43 : 7,175,954,719.95 = 2,821,095,079.81 : x
  2. Step 2: Convert to fraction form
    5,199,957,216.43/7,175,954,719.95 = 2,821,095,079.81/x
  3. Step 3: Cross multiply
    5,199,957,216.43x = 7,175,954,719.95 × 2,821,095,079.81
  4. Step 4: Simplify right side
    5,199,957,216.43x = 20,244,050,553,361,633,280
  5. Step 5: Solve for x
    x = 20,244,050,553,361,633,280/5,199,957,216.43
  6. Step 6: Final answer
    x = 3,893,118,675.94

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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.