Home / 664,303,091.40-996,454,637.10-660,476,716.20

Finding the Fourth Proportional to 664,303,091.40, 996,454,637.10 and 660,476,716.20

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Solution

The fourth proportional to 664,303,091.40, 996,454,637.10 and 660,476,716.20 is: 990,715,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,303,091.40 : 996,454,637.10 = 660,476,716.20 : x
  2. Step 2: Convert to fraction form
    664,303,091.40/996,454,637.10 = 660,476,716.20/x
  3. Step 3: Cross multiply
    664,303,091.40x = 996,454,637.10 × 660,476,716.20
  4. Step 4: Simplify right side
    664,303,091.40x = 658,135,086,554,070,784
  5. Step 5: Solve for x
    x = 658,135,086,554,070,784/664,303,091.40
  6. Step 6: Final answer
    x = 990,715,074.30

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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.