Home / 405,447,571-559,979,542.44-274,840,630.84

Finding the Fourth Proportional to 405,447,571, 559,979,542.44 and 274,840,630.84

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Solution

The fourth proportional to 405,447,571, 559,979,542.44 and 274,840,630.84 is: 379,593,174.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,447,571 : 559,979,542.44 = 274,840,630.84 : x
  2. Step 2: Convert to fraction form
    405,447,571/559,979,542.44 = 274,840,630.84/x
  3. Step 3: Cross multiply
    405,447,571x = 559,979,542.44 × 274,840,630.84
  4. Step 4: Simplify right side
    405,447,571x = 153,905,130,701,704,160
  5. Step 5: Solve for x
    x = 153,905,130,701,704,160/405,447,571
  6. Step 6: Final answer
    x = 379,593,174.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.