Home / 455,423,993,963.80-682,998,454,014.90-136,985,659,246.96

Finding the Fourth Proportional to 455,423,993,963.80, 682,998,454,014.90 and 136,985,659,246.96

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Solution

The fourth proportional to 455,423,993,963.80, 682,998,454,014.90 and 136,985,659,246.96 is: 205,437,119,536.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,423,993,963.80 : 682,998,454,014.90 = 136,985,659,246.96 : x
  2. Step 2: Convert to fraction form
    455,423,993,963.80/682,998,454,014.90 = 136,985,659,246.96/x
  3. Step 3: Cross multiply
    455,423,993,963.80x = 682,998,454,014.90 × 136,985,659,246.96
  4. Step 4: Simplify right side
    455,423,993,963.80x = 93,560,993,487,885,571,194,880
  5. Step 5: Solve for x
    x = 93,560,993,487,885,571,194,880/455,423,993,963.80
  6. Step 6: Final answer
    x = 205,437,119,536.84

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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.