Home / 638,568,015.90-957,852,023.85-632,521,398.30

Finding the Fourth Proportional to 638,568,015.90, 957,852,023.85 and 632,521,398.30

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Solution

The fourth proportional to 638,568,015.90, 957,852,023.85 and 632,521,398.30 is: 948,782,097.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,568,015.90 : 957,852,023.85 = 632,521,398.30 : x
  2. Step 2: Convert to fraction form
    638,568,015.90/957,852,023.85 = 632,521,398.30/x
  3. Step 3: Cross multiply
    638,568,015.90x = 957,852,023.85 × 632,521,398.30
  4. Step 4: Simplify right side
    638,568,015.90x = 605,861,901,490,086,912
  5. Step 5: Solve for x
    x = 605,861,901,490,086,912/638,568,015.90
  6. Step 6: Final answer
    x = 948,782,097.45

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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.