Home / 307,152,340.20-460,728,510.30-198,313,223.40

Finding the Fourth Proportional to 307,152,340.20, 460,728,510.30 and 198,313,223.40

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Solution

The fourth proportional to 307,152,340.20, 460,728,510.30 and 198,313,223.40 is: 297,469,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,152,340.20 : 460,728,510.30 = 198,313,223.40 : x
  2. Step 2: Convert to fraction form
    307,152,340.20/460,728,510.30 = 198,313,223.40/x
  3. Step 3: Cross multiply
    307,152,340.20x = 460,728,510.30 × 198,313,223.40
  4. Step 4: Simplify right side
    307,152,340.20x = 91,368,555,989,873,104
  5. Step 5: Solve for x
    x = 91,368,555,989,873,104/307,152,340.20
  6. Step 6: Final answer
    x = 297,469,835.10

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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.