Home / 352,015,012.20-528,526,403.10-198,960,004.20

Finding the Fourth Proportional to 352,015,012.20, 528,526,403.10 and 198,960,004.20

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Solution

The fourth proportional to 352,015,012.20, 528,526,403.10 and 198,960,004.20 is: 298,724,803.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,015,012.20 : 528,526,403.10 = 198,960,004.20 : x
  2. Step 2: Convert to fraction form
    352,015,012.20/528,526,403.10 = 198,960,004.20/x
  3. Step 3: Cross multiply
    352,015,012.20x = 528,526,403.10 × 198,960,004.20
  4. Step 4: Simplify right side
    352,015,012.20x = 105,155,615,380,586,896
  5. Step 5: Solve for x
    x = 105,155,615,380,586,896/352,015,012.20
  6. Step 6: Final answer
    x = 298,724,803.59

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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.