Home / 1,106,190,618.70-1,659,073,351.65-329,861,605.90

Finding the Fourth Proportional to 1,106,190,618.70, 1,659,073,351.65 and 329,861,605.90

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Solution

The fourth proportional to 1,106,190,618.70, 1,659,073,351.65 and 329,861,605.90 is: 494,729,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,190,618.70 : 1,659,073,351.65 = 329,861,605.90 : x
  2. Step 2: Convert to fraction form
    1,106,190,618.70/1,659,073,351.65 = 329,861,605.90/x
  3. Step 3: Cross multiply
    1,106,190,618.70x = 1,659,073,351.65 × 329,861,605.90
  4. Step 4: Simplify right side
    1,106,190,618.70x = 547,264,600,081,164,416
  5. Step 5: Solve for x
    x = 547,264,600,081,164,416/1,106,190,618.70
  6. Step 6: Final answer
    x = 494,729,019.42

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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.