Home / 455,327,556.53-682,889,114.41-209,448,045.41

Finding the Fourth Proportional to 455,327,556.53, 682,889,114.41 and 209,448,045.41

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Solution

The fourth proportional to 455,327,556.53, 682,889,114.41 and 209,448,045.41 is: 314,125,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,327,556.53 : 682,889,114.41 = 209,448,045.41 : x
  2. Step 2: Convert to fraction form
    455,327,556.53/682,889,114.41 = 209,448,045.41/x
  3. Step 3: Cross multiply
    455,327,556.53x = 682,889,114.41 × 209,448,045.41
  4. Step 4: Simplify right side
    455,327,556.53x = 143,029,790,241,002,304
  5. Step 5: Solve for x
    x = 143,029,790,241,002,304/455,327,556.53
  6. Step 6: Final answer
    x = 314,125,047.32

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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.