Home / 409,728,046.30-614,592,069.45-338,949,166.30

Finding the Fourth Proportional to 409,728,046.30, 614,592,069.45 and 338,949,166.30

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Solution

The fourth proportional to 409,728,046.30, 614,592,069.45 and 338,949,166.30 is: 508,423,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,728,046.30 : 614,592,069.45 = 338,949,166.30 : x
  2. Step 2: Convert to fraction form
    409,728,046.30/614,592,069.45 = 338,949,166.30/x
  3. Step 3: Cross multiply
    409,728,046.30x = 614,592,069.45 × 338,949,166.30
  4. Step 4: Simplify right side
    409,728,046.30x = 208,315,469,554,669,216
  5. Step 5: Solve for x
    x = 208,315,469,554,669,216/409,728,046.30
  6. Step 6: Final answer
    x = 508,423,749.45

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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.