Home / 1,976,432,764.46-2,964,544,733.39-648,285,855.46

Finding the Fourth Proportional to 1,976,432,764.46, 2,964,544,733.39 and 648,285,855.46

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Solution

The fourth proportional to 1,976,432,764.46, 2,964,544,733.39 and 648,285,855.46 is: 972,394,534.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,432,764.46 : 2,964,544,733.39 = 648,285,855.46 : x
  2. Step 2: Convert to fraction form
    1,976,432,764.46/2,964,544,733.39 = 648,285,855.46/x
  3. Step 3: Cross multiply
    1,976,432,764.46x = 2,964,544,733.39 × 648,285,855.46
  4. Step 4: Simplify right side
    1,976,432,764.46x = 1,921,872,418,524,520,960
  5. Step 5: Solve for x
    x = 1,921,872,418,524,520,960/1,976,432,764.46
  6. Step 6: Final answer
    x = 972,394,534.78

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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.