Home / 703,501,998.80-1,055,252,998.20-340,704,942.80

Finding the Fourth Proportional to 703,501,998.80, 1,055,252,998.20 and 340,704,942.80

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Solution

The fourth proportional to 703,501,998.80, 1,055,252,998.20 and 340,704,942.80 is: 511,057,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,501,998.80 : 1,055,252,998.20 = 340,704,942.80 : x
  2. Step 2: Convert to fraction form
    703,501,998.80/1,055,252,998.20 = 340,704,942.80/x
  3. Step 3: Cross multiply
    703,501,998.80x = 1,055,252,998.20 × 340,704,942.80
  4. Step 4: Simplify right side
    703,501,998.80x = 359,529,912,391,259,520
  5. Step 5: Solve for x
    x = 359,529,912,391,259,520/703,501,998.80
  6. Step 6: Final answer
    x = 511,057,414.20

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Double scale
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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.