Home / 637,964,440.80-957,394,558.80-274,719,487.20

Finding the Fourth Proportional to 637,964,440.80, 957,394,558.80 and 274,719,487.20

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Solution

The fourth proportional to 637,964,440.80, 957,394,558.80 and 274,719,487.20 is: 412,272,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,964,440.80 : 957,394,558.80 = 274,719,487.20 : x
  2. Step 2: Convert to fraction form
    637,964,440.80/957,394,558.80 = 274,719,487.20/x
  3. Step 3: Cross multiply
    637,964,440.80x = 957,394,558.80 × 274,719,487.20
  4. Step 4: Simplify right side
    637,964,440.80x = 263,014,942,241,606,208
  5. Step 5: Solve for x
    x = 263,014,942,241,606,208/637,964,440.80
  6. Step 6: Final answer
    x = 412,272,103.93

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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.