Home / 1,106,190,691.20-1,659,073,460.40-329,861,678.40

Finding the Fourth Proportional to 1,106,190,691.20, 1,659,073,460.40 and 329,861,678.40

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Solution

The fourth proportional to 1,106,190,691.20, 1,659,073,460.40 and 329,861,678.40 is: 494,729,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,190,691.20 : 1,659,073,460.40 = 329,861,678.40 : x
  2. Step 2: Convert to fraction form
    1,106,190,691.20/1,659,073,460.40 = 329,861,678.40/x
  3. Step 3: Cross multiply
    1,106,190,691.20x = 1,659,073,460.40 × 329,861,678.40
  4. Step 4: Simplify right side
    1,106,190,691.20x = 547,264,756,236,439,936
  5. Step 5: Solve for x
    x = 547,264,756,236,439,936/1,106,190,691.20
  6. Step 6: Final answer
    x = 494,729,128.16

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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.