Home / 400,170,400.75-600,285,874.44-123,849,562.62

Finding the Fourth Proportional to 400,170,400.75, 600,285,874.44 and 123,849,562.62

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Solution

The fourth proportional to 400,170,400.75, 600,285,874.44 and 123,849,562.62 is: 185,783,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,170,400.75 : 600,285,874.44 = 123,849,562.62 : x
  2. Step 2: Convert to fraction form
    400,170,400.75/600,285,874.44 = 123,849,562.62/x
  3. Step 3: Cross multiply
    400,170,400.75x = 600,285,874.44 × 123,849,562.62
  4. Step 4: Simplify right side
    400,170,400.75x = 74,345,142,997,549,328
  5. Step 5: Solve for x
    x = 74,345,142,997,549,328/400,170,400.75
  6. Step 6: Final answer
    x = 185,783,713.29

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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.