Home / 495,939,543.81-684,242,469.12-281,322,843.75

Finding the Fourth Proportional to 495,939,543.81, 684,242,469.12 and 281,322,843.75

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Solution

The fourth proportional to 495,939,543.81, 684,242,469.12 and 281,322,843.75 is: 388,138,110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,939,543.81 : 684,242,469.12 = 281,322,843.75 : x
  2. Step 2: Convert to fraction form
    495,939,543.81/684,242,469.12 = 281,322,843.75/x
  3. Step 3: Cross multiply
    495,939,543.81x = 684,242,469.12 × 281,322,843.75
  4. Step 4: Simplify right side
    495,939,543.81x = 192,493,037,227,359,968
  5. Step 5: Solve for x
    x = 192,493,037,227,359,968/495,939,543.81
  6. Step 6: Final answer
    x = 388,138,110.04

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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.