Home / 1,074,662,399.04-1,611,988,284.96-419,679,939.84

Finding the Fourth Proportional to 1,074,662,399.04, 1,611,988,284.96 and 419,679,939.84

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Solution

The fourth proportional to 1,074,662,399.04, 1,611,988,284.96 and 419,679,939.84 is: 629,517,834.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,662,399.04 : 1,611,988,284.96 = 419,679,939.84 : x
  2. Step 2: Convert to fraction form
    1,074,662,399.04/1,611,988,284.96 = 419,679,939.84/x
  3. Step 3: Cross multiply
    1,074,662,399.04x = 1,611,988,284.96 × 419,679,939.84
  4. Step 4: Simplify right side
    1,074,662,399.04x = 676,519,146,454,797,568
  5. Step 5: Solve for x
    x = 676,519,146,454,797,568/1,074,662,399.04
  6. Step 6: Final answer
    x = 629,517,834.68

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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.