Home / 756,091,556.40-1,132,436,723.40-449,981,540.40

Finding the Fourth Proportional to 756,091,556.40, 1,132,436,723.40 and 449,981,540.40

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Solution

The fourth proportional to 756,091,556.40, 1,132,436,723.40 and 449,981,540.40 is: 673,960,206.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,091,556.40 : 1,132,436,723.40 = 449,981,540.40 : x
  2. Step 2: Convert to fraction form
    756,091,556.40/1,132,436,723.40 = 449,981,540.40/x
  3. Step 3: Cross multiply
    756,091,556.40x = 1,132,436,723.40 × 449,981,540.40
  4. Step 4: Simplify right side
    756,091,556.40x = 509,575,621,201,060,736
  5. Step 5: Solve for x
    x = 509,575,621,201,060,736/756,091,556.40
  6. Step 6: Final answer
    x = 673,960,206.13

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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.