Home / 405,760,880.42-559,902,775.68-227,154,548.97

Finding the Fourth Proportional to 405,760,880.42, 559,902,775.68 and 227,154,548.97

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Solution

The fourth proportional to 405,760,880.42, 559,902,775.68 and 227,154,548.97 is: 313,446,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,760,880.42 : 559,902,775.68 = 227,154,548.97 : x
  2. Step 2: Convert to fraction form
    405,760,880.42/559,902,775.68 = 227,154,548.97/x
  3. Step 3: Cross multiply
    405,760,880.42x = 559,902,775.68 × 227,154,548.97
  4. Step 4: Simplify right side
    405,760,880.42x = 127,184,462,476,641,472
  5. Step 5: Solve for x
    x = 127,184,462,476,641,472/405,760,880.42
  6. Step 6: Final answer
    x = 313,446,831.90

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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.