Home / 579,881,759.49-800,236,958.63-319,121,375.49

Finding the Fourth Proportional to 579,881,759.49, 800,236,958.63 and 319,121,375.49

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Solution

The fourth proportional to 579,881,759.49, 800,236,958.63 and 319,121,375.49 is: 440,387,570.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,881,759.49 : 800,236,958.63 = 319,121,375.49 : x
  2. Step 2: Convert to fraction form
    579,881,759.49/800,236,958.63 = 319,121,375.49/x
  3. Step 3: Cross multiply
    579,881,759.49x = 800,236,958.63 × 319,121,375.49
  4. Step 4: Simplify right side
    579,881,759.49x = 255,372,718,954,344,224
  5. Step 5: Solve for x
    x = 255,372,718,954,344,224/579,881,759.49
  6. Step 6: Final answer
    x = 440,387,570.01

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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.