Home / 479,682,257.64-661,966,079.23-281,447,125.17

Finding the Fourth Proportional to 479,682,257.64, 661,966,079.23 and 281,447,125.17

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Solution

The fourth proportional to 479,682,257.64, 661,966,079.23 and 281,447,125.17 is: 388,399,710.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,682,257.64 : 661,966,079.23 = 281,447,125.17 : x
  2. Step 2: Convert to fraction form
    479,682,257.64/661,966,079.23 = 281,447,125.17/x
  3. Step 3: Cross multiply
    479,682,257.64x = 661,966,079.23 × 281,447,125.17
  4. Step 4: Simplify right side
    479,682,257.64x = 186,308,449,959,339,968
  5. Step 5: Solve for x
    x = 186,308,449,959,339,968/479,682,257.64
  6. Step 6: Final answer
    x = 388,399,710.42

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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.