Home / 3,986,597,019.60-5,979,895,529.40-1,915,819,448.40

Finding the Fourth Proportional to 3,986,597,019.60, 5,979,895,529.40 and 1,915,819,448.40

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Solution

The fourth proportional to 3,986,597,019.60, 5,979,895,529.40 and 1,915,819,448.40 is: 2,873,729,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,597,019.60 : 5,979,895,529.40 = 1,915,819,448.40 : x
  2. Step 2: Convert to fraction form
    3,986,597,019.60/5,979,895,529.40 = 1,915,819,448.40/x
  3. Step 3: Cross multiply
    3,986,597,019.60x = 5,979,895,529.40 × 1,915,819,448.40
  4. Step 4: Simplify right side
    3,986,597,019.60x = 11,456,400,154,624,733,184
  5. Step 5: Solve for x
    x = 11,456,400,154,624,733,184/3,986,597,019.60
  6. Step 6: Final answer
    x = 2,873,729,172.60

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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.