Home / 3,888,246,168.59-5,364,069,799.87-2,279,880,209.23

Finding the Fourth Proportional to 3,888,246,168.59, 5,364,069,799.87 and 2,279,880,209.23

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Solution

The fourth proportional to 3,888,246,168.59, 5,364,069,799.87 and 2,279,880,209.23 is: 3,145,232,078.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,246,168.59 : 5,364,069,799.87 = 2,279,880,209.23 : x
  2. Step 2: Convert to fraction form
    3,888,246,168.59/5,364,069,799.87 = 2,279,880,209.23/x
  3. Step 3: Cross multiply
    3,888,246,168.59x = 5,364,069,799.87 × 2,279,880,209.23
  4. Step 4: Simplify right side
    3,888,246,168.59x = 12,229,436,577,651,939,328
  5. Step 5: Solve for x
    x = 12,229,436,577,651,939,328/3,888,246,168.59
  6. Step 6: Final answer
    x = 3,145,232,078.27

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1.5x scale

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.