Home / 677,976,337.92-1,016,973,954.72-193,302,145.92

Finding the Fourth Proportional to 677,976,337.92, 1,016,973,954.72 and 193,302,145.92

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Solution

The fourth proportional to 677,976,337.92, 1,016,973,954.72 and 193,302,145.92 is: 289,955,912.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,976,337.92 : 1,016,973,954.72 = 193,302,145.92 : x
  2. Step 2: Convert to fraction form
    677,976,337.92/1,016,973,954.72 = 193,302,145.92/x
  3. Step 3: Cross multiply
    677,976,337.92x = 1,016,973,954.72 × 193,302,145.92
  4. Step 4: Simplify right side
    677,976,337.92x = 196,583,247,792,124,896
  5. Step 5: Solve for x
    x = 196,583,247,792,124,896/677,976,337.92
  6. Step 6: Final answer
    x = 289,955,912.61

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1.5x scale

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.