Home / 293,420,512.80-440,130,769.20-220,241,087.10

Finding the Fourth Proportional to 293,420,512.80, 440,130,769.20 and 220,241,087.10

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Solution

The fourth proportional to 293,420,512.80, 440,130,769.20 and 220,241,087.10 is: 330,361,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,420,512.80 : 440,130,769.20 = 220,241,087.10 : x
  2. Step 2: Convert to fraction form
    293,420,512.80/440,130,769.20 = 220,241,087.10/x
  3. Step 3: Cross multiply
    293,420,512.80x = 440,130,769.20 × 220,241,087.10
  4. Step 4: Simplify right side
    293,420,512.80x = 96,934,879,074,767,200
  5. Step 5: Solve for x
    x = 96,934,879,074,767,200/293,420,512.80
  6. Step 6: Final answer
    x = 330,361,630.65

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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.