Home / 365,849,994.86-504,873,477.51-198,586,147.49

Finding the Fourth Proportional to 365,849,994.86, 504,873,477.51 and 198,586,147.49

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Solution

The fourth proportional to 365,849,994.86, 504,873,477.51 and 198,586,147.49 is: 274,049,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,849,994.86 : 504,873,477.51 = 198,586,147.49 : x
  2. Step 2: Convert to fraction form
    365,849,994.86/504,873,477.51 = 198,586,147.49/x
  3. Step 3: Cross multiply
    365,849,994.86x = 504,873,477.51 × 198,586,147.49
  4. Step 4: Simplify right side
    365,849,994.86x = 100,260,878,868,332,304
  5. Step 5: Solve for x
    x = 100,260,878,868,332,304/365,849,994.86
  6. Step 6: Final answer
    x = 274,049,146.58

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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.