Home / 496,851,455.44-685,657,820.36-288,131,524.56

Finding the Fourth Proportional to 496,851,455.44, 685,657,820.36 and 288,131,524.56

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Solution

The fourth proportional to 496,851,455.44, 685,657,820.36 and 288,131,524.56 is: 397,623,134.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,851,455.44 : 685,657,820.36 = 288,131,524.56 : x
  2. Step 2: Convert to fraction form
    496,851,455.44/685,657,820.36 = 288,131,524.56/x
  3. Step 3: Cross multiply
    496,851,455.44x = 685,657,820.36 × 288,131,524.56
  4. Step 4: Simplify right side
    496,851,455.44x = 197,559,633,106,813,408
  5. Step 5: Solve for x
    x = 197,559,633,106,813,408/496,851,455.44
  6. Step 6: Final answer
    x = 397,623,134.53

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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.