Home / 231,787,008,075.20-347,680,512,112.80-194,594,641,131.20

Finding the Fourth Proportional to 231,787,008,075.20, 347,680,512,112.80 and 194,594,641,131.20

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Solution

The fourth proportional to 231,787,008,075.20, 347,680,512,112.80 and 194,594,641,131.20 is: 291,891,961,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,008,075.20 : 347,680,512,112.80 = 194,594,641,131.20 : x
  2. Step 2: Convert to fraction form
    231,787,008,075.20/347,680,512,112.80 = 194,594,641,131.20/x
  3. Step 3: Cross multiply
    231,787,008,075.20x = 347,680,512,112.80 × 194,594,641,131.20
  4. Step 4: Simplify right side
    231,787,008,075.20x = 67,656,764,482,902,156,115,968
  5. Step 5: Solve for x
    x = 67,656,764,482,902,156,115,968/231,787,008,075.20
  6. Step 6: Final answer
    x = 291,891,961,696.80

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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.