Home / 261,469,514.70-391,196,502.45-170,770,250.70

Finding the Fourth Proportional to 261,469,514.70, 391,196,502.45 and 170,770,250.70

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Solution

The fourth proportional to 261,469,514.70, 391,196,502.45 and 170,770,250.70 is: 255,497,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,469,514.70 : 391,196,502.45 = 170,770,250.70 : x
  2. Step 2: Convert to fraction form
    261,469,514.70/391,196,502.45 = 170,770,250.70/x
  3. Step 3: Cross multiply
    261,469,514.70x = 391,196,502.45 × 170,770,250.70
  4. Step 4: Simplify right side
    261,469,514.70x = 66,804,724,796,349,656
  5. Step 5: Solve for x
    x = 66,804,724,796,349,656/261,469,514.70
  6. Step 6: Final answer
    x = 255,497,184.34

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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.