Home / 677,976,295.92-1,016,973,891.72-193,302,103.92

Finding the Fourth Proportional to 677,976,295.92, 1,016,973,891.72 and 193,302,103.92

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Solution

The fourth proportional to 677,976,295.92, 1,016,973,891.72 and 193,302,103.92 is: 289,955,849.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,976,295.92 : 1,016,973,891.72 = 193,302,103.92 : x
  2. Step 2: Convert to fraction form
    677,976,295.92/1,016,973,891.72 = 193,302,103.92/x
  3. Step 3: Cross multiply
    677,976,295.92x = 1,016,973,891.72 × 193,302,103.92
  4. Step 4: Simplify right side
    677,976,295.92x = 196,583,192,901,186,272
  5. Step 5: Solve for x
    x = 196,583,192,901,186,272/677,976,295.92
  6. Step 6: Final answer
    x = 289,955,849.61

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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.