Home / 524,903,504.18-724,352,801.78-289,949,107.82

Finding the Fourth Proportional to 524,903,504.18, 724,352,801.78 and 289,949,107.82

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Solution

The fourth proportional to 524,903,504.18, 724,352,801.78 and 289,949,107.82 is: 400,122,016.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,903,504.18 : 724,352,801.78 = 289,949,107.82 : x
  2. Step 2: Convert to fraction form
    524,903,504.18/724,352,801.78 = 289,949,107.82/x
  3. Step 3: Cross multiply
    524,903,504.18x = 724,352,801.78 × 289,949,107.82
  4. Step 4: Simplify right side
    524,903,504.18x = 210,025,448,620,131,424
  5. Step 5: Solve for x
    x = 210,025,448,620,131,424/524,903,504.18
  6. Step 6: Final answer
    x = 400,122,016.62

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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.