Home / 711,936,010.60-1,067,904,015.90-699,842,775.40

Finding the Fourth Proportional to 711,936,010.60, 1,067,904,015.90 and 699,842,775.40

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Solution

The fourth proportional to 711,936,010.60, 1,067,904,015.90 and 699,842,775.40 is: 1,049,764,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,936,010.60 : 1,067,904,015.90 = 699,842,775.40 : x
  2. Step 2: Convert to fraction form
    711,936,010.60/1,067,904,015.90 = 699,842,775.40/x
  3. Step 3: Cross multiply
    711,936,010.60x = 1,067,904,015.90 × 699,842,775.40
  4. Step 4: Simplify right side
    711,936,010.60x = 747,364,910,348,261,632
  5. Step 5: Solve for x
    x = 747,364,910,348,261,632/711,936,010.60
  6. Step 6: Final answer
    x = 1,049,764,163.10

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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.