Home / 378,145,432,851.30-567,218,149,276.95-378,145,432,851.30

Finding the Fourth Proportional to 378,145,432,851.30, 567,218,149,276.95 and 378,145,432,851.30

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Solution

The fourth proportional to 378,145,432,851.30, 567,218,149,276.95 and 378,145,432,851.30 is: 567,218,149,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,145,432,851.30 : 567,218,149,276.95 = 378,145,432,851.30 : x
  2. Step 2: Convert to fraction form
    378,145,432,851.30/567,218,149,276.95 = 378,145,432,851.30/x
  3. Step 3: Cross multiply
    378,145,432,851.30x = 567,218,149,276.95 × 378,145,432,851.30
  4. Step 4: Simplify right side
    378,145,432,851.30x = 214,490,952,579,445,524,791,296
  5. Step 5: Solve for x
    x = 214,490,952,579,445,524,791,296/378,145,432,851.30
  6. Step 6: Final answer
    x = 567,218,149,276.95

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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.