Home / 2,168,909,405.82-2,993,158,115.22-1,229,080,797.90

Finding the Fourth Proportional to 2,168,909,405.82, 2,993,158,115.22 and 1,229,080,797.90

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Solution

The fourth proportional to 2,168,909,405.82, 2,993,158,115.22 and 1,229,080,797.90 is: 1,696,167,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,909,405.82 : 2,993,158,115.22 = 1,229,080,797.90 : x
  2. Step 2: Convert to fraction form
    2,168,909,405.82/2,993,158,115.22 = 1,229,080,797.90/x
  3. Step 3: Cross multiply
    2,168,909,405.82x = 2,993,158,115.22 × 1,229,080,797.90
  4. Step 4: Simplify right side
    2,168,909,405.82x = 3,678,833,164,495,457,792
  5. Step 5: Solve for x
    x = 3,678,833,164,495,457,792/2,168,909,405.82
  6. Step 6: Final answer
    x = 1,696,167,278.64

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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.