Home / 307,313,499.26-423,824,610.80-217,828,446.74

Finding the Fourth Proportional to 307,313,499.26, 423,824,610.80 and 217,828,446.74

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Solution

The fourth proportional to 307,313,499.26, 423,824,610.80 and 217,828,446.74 is: 300,413,281.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,313,499.26 : 423,824,610.80 = 217,828,446.74 : x
  2. Step 2: Convert to fraction form
    307,313,499.26/423,824,610.80 = 217,828,446.74/x
  3. Step 3: Cross multiply
    307,313,499.26x = 423,824,610.80 × 217,828,446.74
  4. Step 4: Simplify right side
    307,313,499.26x = 92,321,056,660,749,040
  5. Step 5: Solve for x
    x = 92,321,056,660,749,040/307,313,499.26
  6. Step 6: Final answer
    x = 300,413,281.17

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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.