Home / 231,787,011,727.60-347,648,268,964.20-74,768,445,890.80

Finding the Fourth Proportional to 231,787,011,727.60, 347,648,268,964.20 and 74,768,445,890.80

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Solution

The fourth proportional to 231,787,011,727.60, 347,648,268,964.20 and 74,768,445,890.80 is: 112,142,266,269.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,011,727.60 : 347,648,268,964.20 = 74,768,445,890.80 : x
  2. Step 2: Convert to fraction form
    231,787,011,727.60/347,648,268,964.20 = 74,768,445,890.80/x
  3. Step 3: Cross multiply
    231,787,011,727.60x = 347,648,268,964.20 × 74,768,445,890.80
  4. Step 4: Simplify right side
    231,787,011,727.60x = 25,993,120,787,080,073,445,376
  5. Step 5: Solve for x
    x = 25,993,120,787,080,073,445,376/231,787,011,727.60
  6. Step 6: Final answer
    x = 112,142,266,269.98

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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.