Home / 798,835,736.20-1,198,253,604.30-459,097,112.20

Finding the Fourth Proportional to 798,835,736.20, 1,198,253,604.30 and 459,097,112.20

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Solution

The fourth proportional to 798,835,736.20, 1,198,253,604.30 and 459,097,112.20 is: 688,645,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,835,736.20 : 1,198,253,604.30 = 459,097,112.20 : x
  2. Step 2: Convert to fraction form
    798,835,736.20/1,198,253,604.30 = 459,097,112.20/x
  3. Step 3: Cross multiply
    798,835,736.20x = 1,198,253,604.30 × 459,097,112.20
  4. Step 4: Simplify right side
    798,835,736.20x = 550,114,769,417,371,456
  5. Step 5: Solve for x
    x = 550,114,769,417,371,456/798,835,736.20
  6. Step 6: Final answer
    x = 688,645,668.30

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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.