Home / 804,816,004.70-1,207,224,007.05-259,612,651.10

Finding the Fourth Proportional to 804,816,004.70, 1,207,224,007.05 and 259,612,651.10

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Solution

The fourth proportional to 804,816,004.70, 1,207,224,007.05 and 259,612,651.10 is: 389,418,976.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,816,004.70 : 1,207,224,007.05 = 259,612,651.10 : x
  2. Step 2: Convert to fraction form
    804,816,004.70/1,207,224,007.05 = 259,612,651.10/x
  3. Step 3: Cross multiply
    804,816,004.70x = 1,207,224,007.05 × 259,612,651.10
  4. Step 4: Simplify right side
    804,816,004.70x = 313,410,624,941,815,552
  5. Step 5: Solve for x
    x = 313,410,624,941,815,552/804,816,004.70
  6. Step 6: Final answer
    x = 389,418,976.65

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Double scale
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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.