Home / 347,680,515,972.80-521,520,773,959.20-345,476,523,857.60

Finding the Fourth Proportional to 347,680,515,972.80, 521,520,773,959.20 and 345,476,523,857.60

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Solution

The fourth proportional to 347,680,515,972.80, 521,520,773,959.20 and 345,476,523,857.60 is: 518,214,785,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,515,972.80 : 521,520,773,959.20 = 345,476,523,857.60 : x
  2. Step 2: Convert to fraction form
    347,680,515,972.80/521,520,773,959.20 = 345,476,523,857.60/x
  3. Step 3: Cross multiply
    347,680,515,972.80x = 521,520,773,959.20 × 345,476,523,857.60
  4. Step 4: Simplify right side
    347,680,515,972.80x = 180,173,184,106,949,555,257,344
  5. Step 5: Solve for x
    x = 180,173,184,106,949,555,257,344/347,680,515,972.80
  6. Step 6: Final answer
    x = 518,214,785,786.40

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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.