Home / 271,431,008.40-407,146,512.60-194,903,504.40

Finding the Fourth Proportional to 271,431,008.40, 407,146,512.60 and 194,903,504.40

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Solution

The fourth proportional to 271,431,008.40, 407,146,512.60 and 194,903,504.40 is: 292,355,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,431,008.40 : 407,146,512.60 = 194,903,504.40 : x
  2. Step 2: Convert to fraction form
    271,431,008.40/407,146,512.60 = 194,903,504.40/x
  3. Step 3: Cross multiply
    271,431,008.40x = 407,146,512.60 × 194,903,504.40
  4. Step 4: Simplify right side
    271,431,008.40x = 79,354,282,109,978,768
  5. Step 5: Solve for x
    x = 79,354,282,109,978,768/271,431,008.40
  6. Step 6: Final answer
    x = 292,355,256.60

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1.5x scale

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.