Home / 321,376,021,654.68-443,498,982,276.42-176,860,151,348.31

Finding the Fourth Proportional to 321,376,021,654.68, 443,498,982,276.42 and 176,860,151,348.31

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Solution

The fourth proportional to 321,376,021,654.68, 443,498,982,276.42 and 176,860,151,348.31 is: 244,067,048,700.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,376,021,654.68 : 443,498,982,276.42 = 176,860,151,348.31 : x
  2. Step 2: Convert to fraction form
    321,376,021,654.68/443,498,982,276.42 = 176,860,151,348.31/x
  3. Step 3: Cross multiply
    321,376,021,654.68x = 443,498,982,276.42 × 176,860,151,348.31
  4. Step 4: Simplify right side
    321,376,021,654.68x = 78,437,297,128,229,088,264,192
  5. Step 5: Solve for x
    x = 78,437,297,128,229,088,264,192/321,376,021,654.68
  6. Step 6: Final answer
    x = 244,067,048,700.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.