Home / 756,091,346.90-1,132,436,409.15-449,981,330.90

Finding the Fourth Proportional to 756,091,346.90, 1,132,436,409.15 and 449,981,330.90

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Solution

The fourth proportional to 756,091,346.90, 1,132,436,409.15 and 449,981,330.90 is: 673,959,892.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,091,346.90 : 1,132,436,409.15 = 449,981,330.90 : x
  2. Step 2: Convert to fraction form
    756,091,346.90/1,132,436,409.15 = 449,981,330.90/x
  3. Step 3: Cross multiply
    756,091,346.90x = 1,132,436,409.15 × 449,981,330.90
  4. Step 4: Simplify right side
    756,091,346.90x = 509,575,242,548,933,952
  5. Step 5: Solve for x
    x = 509,575,242,548,933,952/756,091,346.90
  6. Step 6: Final answer
    x = 673,959,892.07

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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.