Home / 627,922,431.44-866,532,957.60-349,529,720.96

Finding the Fourth Proportional to 627,922,431.44, 866,532,957.60 and 349,529,720.96

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Solution

The fourth proportional to 627,922,431.44, 866,532,957.60 and 349,529,720.96 is: 482,351,016.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,922,431.44 : 866,532,957.60 = 349,529,720.96 : x
  2. Step 2: Convert to fraction form
    627,922,431.44/866,532,957.60 = 349,529,720.96/x
  3. Step 3: Cross multiply
    627,922,431.44x = 866,532,957.60 × 349,529,720.96
  4. Step 4: Simplify right side
    627,922,431.44x = 302,879,022,872,571,520
  5. Step 5: Solve for x
    x = 302,879,022,872,571,520/627,922,431.44
  6. Step 6: Final answer
    x = 482,351,016.16

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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.