Home / 231,787,012,891.20-347,680,519,336.80-230,317,684,814.40

Finding the Fourth Proportional to 231,787,012,891.20, 347,680,519,336.80 and 230,317,684,814.40

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Solution

The fourth proportional to 231,787,012,891.20, 347,680,519,336.80 and 230,317,684,814.40 is: 345,476,527,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,012,891.20 : 347,680,519,336.80 = 230,317,684,814.40 : x
  2. Step 2: Convert to fraction form
    231,787,012,891.20/347,680,519,336.80 = 230,317,684,814.40/x
  3. Step 3: Cross multiply
    231,787,012,891.20x = 347,680,519,336.80 × 230,317,684,814.40
  4. Step 4: Simplify right side
    231,787,012,891.20x = 80,076,972,268,720,008,200,192
  5. Step 5: Solve for x
    x = 80,076,972,268,720,008,200,192/231,787,012,891.20
  6. Step 6: Final answer
    x = 345,476,527,221.60

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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.