Home / 405,614,884.37-559,778,606.06-227,016,634.91

Finding the Fourth Proportional to 405,614,884.37, 559,778,606.06 and 227,016,634.91

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Solution

The fourth proportional to 405,614,884.37, 559,778,606.06 and 227,016,634.91 is: 313,299,783.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,614,884.37 : 559,778,606.06 = 227,016,634.91 : x
  2. Step 2: Convert to fraction form
    405,614,884.37/559,778,606.06 = 227,016,634.91/x
  3. Step 3: Cross multiply
    405,614,884.37x = 559,778,606.06 × 227,016,634.91
  4. Step 4: Simplify right side
    405,614,884.37x = 127,079,055,438,417,744
  5. Step 5: Solve for x
    x = 127,079,055,438,417,744/405,614,884.37
  6. Step 6: Final answer
    x = 313,299,783.46

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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.