Home / 273,242,658.84-409,435,015.71-185,845,857.78

Finding the Fourth Proportional to 273,242,658.84, 409,435,015.71 and 185,845,857.78

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Solution

The fourth proportional to 273,242,658.84, 409,435,015.71 and 185,845,857.78 is: 278,477,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,242,658.84 : 409,435,015.71 = 185,845,857.78 : x
  2. Step 2: Convert to fraction form
    273,242,658.84/409,435,015.71 = 185,845,857.78/x
  3. Step 3: Cross multiply
    273,242,658.84x = 409,435,015.71 × 185,845,857.78
  4. Step 4: Simplify right side
    273,242,658.84x = 76,091,801,699,792,720
  5. Step 5: Solve for x
    x = 76,091,801,699,792,720/273,242,658.84
  6. Step 6: Final answer
    x = 278,477,021.20

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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.