Home / 303,058,580.48-418,334,573.04-198,643,380.72

Finding the Fourth Proportional to 303,058,580.48, 418,334,573.04 and 198,643,380.72

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Solution

The fourth proportional to 303,058,580.48, 418,334,573.04 and 198,643,380.72 is: 274,202,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,058,580.48 : 418,334,573.04 = 198,643,380.72 : x
  2. Step 2: Convert to fraction form
    303,058,580.48/418,334,573.04 = 198,643,380.72/x
  3. Step 3: Cross multiply
    303,058,580.48x = 418,334,573.04 × 198,643,380.72
  4. Step 4: Simplify right side
    303,058,580.48x = 83,099,393,860,723,376
  5. Step 5: Solve for x
    x = 83,099,393,860,723,376/303,058,580.48
  6. Step 6: Final answer
    x = 274,202,412.38

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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.