Home / 664,275,960.10-996,413,940.15-615,903,019.30

Finding the Fourth Proportional to 664,275,960.10, 996,413,940.15 and 615,903,019.30

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Solution

The fourth proportional to 664,275,960.10, 996,413,940.15 and 615,903,019.30 is: 923,854,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,275,960.10 : 996,413,940.15 = 615,903,019.30 : x
  2. Step 2: Convert to fraction form
    664,275,960.10/996,413,940.15 = 615,903,019.30/x
  3. Step 3: Cross multiply
    664,275,960.10x = 996,413,940.15 × 615,903,019.30
  4. Step 4: Simplify right side
    664,275,960.10x = 613,694,354,210,994,432
  5. Step 5: Solve for x
    x = 613,694,354,210,994,432/664,275,960.10
  6. Step 6: Final answer
    x = 923,854,528.95

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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.