Home / 271,554,380.21-407,594,633.61-256,806,892.46

Finding the Fourth Proportional to 271,554,380.21, 407,594,633.61 and 256,806,892.46

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Solution

The fourth proportional to 271,554,380.21, 407,594,633.61 and 256,806,892.46 is: 385,459,115.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,554,380.21 : 407,594,633.61 = 256,806,892.46 : x
  2. Step 2: Convert to fraction form
    271,554,380.21/407,594,633.61 = 256,806,892.46/x
  3. Step 3: Cross multiply
    271,554,380.21x = 407,594,633.61 × 256,806,892.46
  4. Step 4: Simplify right side
    271,554,380.21x = 104,673,111,242,740,960
  5. Step 5: Solve for x
    x = 104,673,111,242,740,960/271,554,380.21
  6. Step 6: Final answer
    x = 385,459,115.63

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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.