Home / 455,423,993,986.80-682,998,454,049.36-136,985,659,270

Finding the Fourth Proportional to 455,423,993,986.80, 682,998,454,049.36 and 136,985,659,270

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Solution

The fourth proportional to 455,423,993,986.80, 682,998,454,049.36 and 136,985,659,270 is: 205,437,119,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,423,993,986.80 : 682,998,454,049.36 = 136,985,659,270 : x
  2. Step 2: Convert to fraction form
    455,423,993,986.80/682,998,454,049.36 = 136,985,659,270/x
  3. Step 3: Cross multiply
    455,423,993,986.80x = 682,998,454,049.36 × 136,985,659,270
  4. Step 4: Simplify right side
    455,423,993,986.80x = 93,560,993,508,342,382,985,216
  5. Step 5: Solve for x
    x = 93,560,993,508,342,382,985,216/455,423,993,986.80
  6. Step 6: Final answer
    x = 205,437,119,571.38

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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.