Home / 768,672,447.10-1,152,770,198.94-277,321,842.24

Finding the Fourth Proportional to 768,672,447.10, 1,152,770,198.94 and 277,321,842.24

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Solution

The fourth proportional to 768,672,447.10, 1,152,770,198.94 and 277,321,842.24 is: 415,896,727.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,672,447.10 : 1,152,770,198.94 = 277,321,842.24 : x
  2. Step 2: Convert to fraction form
    768,672,447.10/1,152,770,198.94 = 277,321,842.24/x
  3. Step 3: Cross multiply
    768,672,447.10x = 1,152,770,198.94 × 277,321,842.24
  4. Step 4: Simplify right side
    768,672,447.10x = 319,688,355,249,412,096
  5. Step 5: Solve for x
    x = 319,688,355,249,412,096/768,672,447.10
  6. Step 6: Final answer
    x = 415,896,727.48

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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.