Home / 347,680,517,778.80-521,520,776,668.20-124,342,650,105.20

Finding the Fourth Proportional to 347,680,517,778.80, 521,520,776,668.20 and 124,342,650,105.20

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Solution

The fourth proportional to 347,680,517,778.80, 521,520,776,668.20 and 124,342,650,105.20 is: 186,513,975,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,517,778.80 : 521,520,776,668.20 = 124,342,650,105.20 : x
  2. Step 2: Convert to fraction form
    347,680,517,778.80/521,520,776,668.20 = 124,342,650,105.20/x
  3. Step 3: Cross multiply
    347,680,517,778.80x = 521,520,776,668.20 × 124,342,650,105.20
  4. Step 4: Simplify right side
    347,680,517,778.80x = 64,847,275,455,846,142,705,664
  5. Step 5: Solve for x
    x = 64,847,275,455,846,142,705,664/347,680,517,778.80
  6. Step 6: Final answer
    x = 186,513,975,157.80

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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.