Home / 465,443,792.10-698,165,688.15-206,384,019.30

Finding the Fourth Proportional to 465,443,792.10, 698,165,688.15 and 206,384,019.30

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Solution

The fourth proportional to 465,443,792.10, 698,165,688.15 and 206,384,019.30 is: 309,576,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,443,792.10 : 698,165,688.15 = 206,384,019.30 : x
  2. Step 2: Convert to fraction form
    465,443,792.10/698,165,688.15 = 206,384,019.30/x
  3. Step 3: Cross multiply
    465,443,792.10x = 698,165,688.15 × 206,384,019.30
  4. Step 4: Simplify right side
    465,443,792.10x = 144,090,240,857,747,392
  5. Step 5: Solve for x
    x = 144,090,240,857,747,392/465,443,792.10
  6. Step 6: Final answer
    x = 309,576,028.95

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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.