Home / 231,787,008,097.20-347,680,512,145.80-230,317,680,020.40

Finding the Fourth Proportional to 231,787,008,097.20, 347,680,512,145.80 and 230,317,680,020.40

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Solution

The fourth proportional to 231,787,008,097.20, 347,680,512,145.80 and 230,317,680,020.40 is: 345,476,520,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,008,097.20 : 347,680,512,145.80 = 230,317,680,020.40 : x
  2. Step 2: Convert to fraction form
    231,787,008,097.20/347,680,512,145.80 = 230,317,680,020.40/x
  3. Step 3: Cross multiply
    231,787,008,097.20x = 347,680,512,145.80 × 230,317,680,020.40
  4. Step 4: Simplify right side
    231,787,008,097.20x = 80,076,968,945,725,151,903,744
  5. Step 5: Solve for x
    x = 80,076,968,945,725,151,903,744/231,787,008,097.20
  6. Step 6: Final answer
    x = 345,476,520,030.60

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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.