Home / 638,682,602.44-958,017,517.02-201,983,361.16

Finding the Fourth Proportional to 638,682,602.44, 958,017,517.02 and 201,983,361.16

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Solution

The fourth proportional to 638,682,602.44, 958,017,517.02 and 201,983,361.16 is: 302,973,021.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,682,602.44 : 958,017,517.02 = 201,983,361.16 : x
  2. Step 2: Convert to fraction form
    638,682,602.44/958,017,517.02 = 201,983,361.16/x
  3. Step 3: Cross multiply
    638,682,602.44x = 958,017,517.02 × 201,983,361.16
  4. Step 4: Simplify right side
    638,682,602.44x = 193,503,598,137,857,088
  5. Step 5: Solve for x
    x = 193,503,598,137,857,088/638,682,602.44
  6. Step 6: Final answer
    x = 302,973,021.97

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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.