Home / 677,620,190.28-1,016,215,050.84-217,450,742.76

Finding the Fourth Proportional to 677,620,190.28, 1,016,215,050.84 and 217,450,742.76

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Solution

The fourth proportional to 677,620,190.28, 1,016,215,050.84 and 217,450,742.76 is: 326,107,044.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,620,190.28 : 1,016,215,050.84 = 217,450,742.76 : x
  2. Step 2: Convert to fraction form
    677,620,190.28/1,016,215,050.84 = 217,450,742.76/x
  3. Step 3: Cross multiply
    677,620,190.28x = 1,016,215,050.84 × 217,450,742.76
  4. Step 4: Simplify right side
    677,620,190.28x = 220,976,717,609,049,152
  5. Step 5: Solve for x
    x = 220,976,717,609,049,152/677,620,190.28
  6. Step 6: Final answer
    x = 326,107,044.59

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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.