Home / 1,276,377,040.46-1,914,009,515.84-677,983,944.17

Finding the Fourth Proportional to 1,276,377,040.46, 1,914,009,515.84 and 677,983,944.17

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Solution

The fourth proportional to 1,276,377,040.46, 1,914,009,515.84 and 677,983,944.17 is: 1,016,680,557.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,377,040.46 : 1,914,009,515.84 = 677,983,944.17 : x
  2. Step 2: Convert to fraction form
    1,276,377,040.46/1,914,009,515.84 = 677,983,944.17/x
  3. Step 3: Cross multiply
    1,276,377,040.46x = 1,914,009,515.84 × 677,983,944.17
  4. Step 4: Simplify right side
    1,276,377,040.46x = 1,297,667,720,734,595,328
  5. Step 5: Solve for x
    x = 1,297,667,720,734,595,328/1,276,377,040.46
  6. Step 6: Final answer
    x = 1,016,680,557.23

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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.