Home / 266,181,012.80-398,599,672.80-174,809,902.40

Finding the Fourth Proportional to 266,181,012.80, 398,599,672.80 and 174,809,902.40

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Solution

The fourth proportional to 266,181,012.80, 398,599,672.80 and 174,809,902.40 is: 261,773,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,181,012.80 : 398,599,672.80 = 174,809,902.40 : x
  2. Step 2: Convert to fraction form
    266,181,012.80/398,599,672.80 = 174,809,902.40/x
  3. Step 3: Cross multiply
    266,181,012.80x = 398,599,672.80 × 174,809,902.40
  4. Step 4: Simplify right side
    266,181,012.80x = 69,679,169,898,839,936
  5. Step 5: Solve for x
    x = 69,679,169,898,839,936/266,181,012.80
  6. Step 6: Final answer
    x = 261,773,629.78

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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.