Home / 823,129,408.17-1,234,936,656.02-331,589,736.56

Finding the Fourth Proportional to 823,129,408.17, 1,234,936,656.02 and 331,589,736.56

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Solution

The fourth proportional to 823,129,408.17, 1,234,936,656.02 and 331,589,736.56 is: 497,482,311.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,129,408.17 : 1,234,936,656.02 = 331,589,736.56 : x
  2. Step 2: Convert to fraction form
    823,129,408.17/1,234,936,656.02 = 331,589,736.56/x
  3. Step 3: Cross multiply
    823,129,408.17x = 1,234,936,656.02 × 331,589,736.56
  4. Step 4: Simplify right side
    823,129,408.17x = 409,492,320,437,959,104
  5. Step 5: Solve for x
    x = 409,492,320,437,959,104/823,129,408.17
  6. Step 6: Final answer
    x = 497,482,311.25

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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.