Home / 455,423,993,983.80-682,998,454,044.86-136,985,659,267

Finding the Fourth Proportional to 455,423,993,983.80, 682,998,454,044.86 and 136,985,659,267

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Solution

The fourth proportional to 455,423,993,983.80, 682,998,454,044.86 and 136,985,659,267 is: 205,437,119,566.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,423,993,983.80 : 682,998,454,044.86 = 136,985,659,267 : x
  2. Step 2: Convert to fraction form
    455,423,993,983.80/682,998,454,044.86 = 136,985,659,267/x
  3. Step 3: Cross multiply
    455,423,993,983.80x = 682,998,454,044.86 × 136,985,659,267
  4. Step 4: Simplify right side
    455,423,993,983.80x = 93,560,993,505,676,953,124,864
  5. Step 5: Solve for x
    x = 93,560,993,505,676,953,124,864/455,423,993,983.80
  6. Step 6: Final answer
    x = 205,437,119,566.88

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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.