Home / 983,189,076.42-1,356,801,469.84-531,067,041.66

Finding the Fourth Proportional to 983,189,076.42, 1,356,801,469.84 and 531,067,041.66

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Solution

The fourth proportional to 983,189,076.42, 1,356,801,469.84 and 531,067,041.66 is: 732,872,811.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,189,076.42 : 1,356,801,469.84 = 531,067,041.66 : x
  2. Step 2: Convert to fraction form
    983,189,076.42/1,356,801,469.84 = 531,067,041.66/x
  3. Step 3: Cross multiply
    983,189,076.42x = 1,356,801,469.84 × 531,067,041.66
  4. Step 4: Simplify right side
    983,189,076.42x = 720,552,542,707,868,544
  5. Step 5: Solve for x
    x = 720,552,542,707,868,544/983,189,076.42
  6. Step 6: Final answer
    x = 732,872,811.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.