Home / 1,120,135,991.10-1,680,203,986.65-302,246,979.90

Finding the Fourth Proportional to 1,120,135,991.10, 1,680,203,986.65 and 302,246,979.90

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Solution

The fourth proportional to 1,120,135,991.10, 1,680,203,986.65 and 302,246,979.90 is: 453,370,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,135,991.10 : 1,680,203,986.65 = 302,246,979.90 : x
  2. Step 2: Convert to fraction form
    1,120,135,991.10/1,680,203,986.65 = 302,246,979.90/x
  3. Step 3: Cross multiply
    1,120,135,991.10x = 1,680,203,986.65 × 302,246,979.90
  4. Step 4: Simplify right side
    1,120,135,991.10x = 507,836,580,580,902,400
  5. Step 5: Solve for x
    x = 507,836,580,580,902,400/1,120,135,991.10
  6. Step 6: Final answer
    x = 453,370,469.85

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.