Home / 455,423,993,956.80-682,998,454,004.40-136,985,659,239.96

Finding the Fourth Proportional to 455,423,993,956.80, 682,998,454,004.40 and 136,985,659,239.96

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Solution

The fourth proportional to 455,423,993,956.80, 682,998,454,004.40 and 136,985,659,239.96 is: 205,437,119,526.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,423,993,956.80 : 682,998,454,004.40 = 136,985,659,239.96 : x
  2. Step 2: Convert to fraction form
    455,423,993,956.80/682,998,454,004.40 = 136,985,659,239.96/x
  3. Step 3: Cross multiply
    455,423,993,956.80x = 682,998,454,004.40 × 136,985,659,239.96
  4. Step 4: Simplify right side
    455,423,993,956.80x = 93,560,993,481,666,240,446,464
  5. Step 5: Solve for x
    x = 93,560,993,481,666,240,446,464/455,423,993,956.80
  6. Step 6: Final answer
    x = 205,437,119,526.34

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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.