Home / 703,501,998.30-1,055,252,997.45-340,704,942.30

Finding the Fourth Proportional to 703,501,998.30, 1,055,252,997.45 and 340,704,942.30

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Solution

The fourth proportional to 703,501,998.30, 1,055,252,997.45 and 340,704,942.30 is: 511,057,413.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,501,998.30 : 1,055,252,997.45 = 340,704,942.30 : x
  2. Step 2: Convert to fraction form
    703,501,998.30/1,055,252,997.45 = 340,704,942.30/x
  3. Step 3: Cross multiply
    703,501,998.30x = 1,055,252,997.45 × 340,704,942.30
  4. Step 4: Simplify right side
    703,501,998.30x = 359,529,911,608,104,320
  5. Step 5: Solve for x
    x = 359,529,911,608,104,320/703,501,998.30
  6. Step 6: Final answer
    x = 511,057,413.45

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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.