Home / 766,346,682.30-1,149,520,023.45-221,106,003.90

Finding the Fourth Proportional to 766,346,682.30, 1,149,520,023.45 and 221,106,003.90

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Solution

The fourth proportional to 766,346,682.30, 1,149,520,023.45 and 221,106,003.90 is: 331,659,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,346,682.30 : 1,149,520,023.45 = 221,106,003.90 : x
  2. Step 2: Convert to fraction form
    766,346,682.30/1,149,520,023.45 = 221,106,003.90/x
  3. Step 3: Cross multiply
    766,346,682.30x = 1,149,520,023.45 × 221,106,003.90
  4. Step 4: Simplify right side
    766,346,682.30x = 254,165,778,788,063,808
  5. Step 5: Solve for x
    x = 254,165,778,788,063,808/766,346,682.30
  6. Step 6: Final answer
    x = 331,659,005.85

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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.