Home / 12,866,972,727.15-19,289,405,191.74-4,471,787,626.25

Finding the Fourth Proportional to 12,866,972,727.15, 19,289,405,191.74 and 4,471,787,626.25

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Solution

The fourth proportional to 12,866,972,727.15, 19,289,405,191.74 and 4,471,787,626.25 is: 6,703,839,767.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866,972,727.15 : 19,289,405,191.74 = 4,471,787,626.25 : x
  2. Step 2: Convert to fraction form
    12,866,972,727.15/19,289,405,191.74 = 4,471,787,626.25/x
  3. Step 3: Cross multiply
    12,866,972,727.15x = 19,289,405,191.74 × 4,471,787,626.25
  4. Step 4: Simplify right side
    12,866,972,727.15x = 86,258,123,454,031,101,952
  5. Step 5: Solve for x
    x = 86,258,123,454,031,101,952/12,866,972,727.15
  6. Step 6: Final answer
    x = 6,703,839,767.38

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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.