Home / 420,820,773.53-580,750,602.39-235,181,783.75

Finding the Fourth Proportional to 420,820,773.53, 580,750,602.39 and 235,181,783.75

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Solution

The fourth proportional to 420,820,773.53, 580,750,602.39 and 235,181,783.75 is: 324,560,884.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,820,773.53 : 580,750,602.39 = 235,181,783.75 : x
  2. Step 2: Convert to fraction form
    420,820,773.53/580,750,602.39 = 235,181,783.75/x
  3. Step 3: Cross multiply
    420,820,773.53x = 580,750,602.39 × 235,181,783.75
  4. Step 4: Simplify right side
    420,820,773.53x = 136,581,962,581,063,456
  5. Step 5: Solve for x
    x = 136,581,962,581,063,456/420,820,773.53
  6. Step 6: Final answer
    x = 324,560,884.76

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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.