Home / 382,056,146.79-527,239,268.04-217,052,770.47

Finding the Fourth Proportional to 382,056,146.79, 527,239,268.04 and 217,052,770.47

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Solution

The fourth proportional to 382,056,146.79, 527,239,268.04 and 217,052,770.47 is: 299,533,837.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,056,146.79 : 527,239,268.04 = 217,052,770.47 : x
  2. Step 2: Convert to fraction form
    382,056,146.79/527,239,268.04 = 217,052,770.47/x
  3. Step 3: Cross multiply
    382,056,146.79x = 527,239,268.04 × 217,052,770.47
  4. Step 4: Simplify right side
    382,056,146.79x = 114,438,743,828,656,928
  5. Step 5: Solve for x
    x = 114,438,743,828,656,928/382,056,146.79
  6. Step 6: Final answer
    x = 299,533,837.61

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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.