Home / 269,600,988,700.80-371,870,220,695.04-173,378,728,091.52

Finding the Fourth Proportional to 269,600,988,700.80, 371,870,220,695.04 and 173,378,728,091.52

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Solution

The fourth proportional to 269,600,988,700.80, 371,870,220,695.04 and 173,378,728,091.52 is: 239,147,438,553.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,600,988,700.80 : 371,870,220,695.04 = 173,378,728,091.52 : x
  2. Step 2: Convert to fraction form
    269,600,988,700.80/371,870,220,695.04 = 173,378,728,091.52/x
  3. Step 3: Cross multiply
    269,600,988,700.80x = 371,870,220,695.04 × 173,378,728,091.52
  4. Step 4: Simplify right side
    269,600,988,700.80x = 64,474,385,879,218,868,191,232
  5. Step 5: Solve for x
    x = 64,474,385,879,218,868,191,232/269,600,988,700.80
  6. Step 6: Final answer
    x = 239,147,438,553.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.