Home / 617,171,568.80-925,387,837.04-208,218,665.12

Finding the Fourth Proportional to 617,171,568.80, 925,387,837.04 and 208,218,665.12

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Solution

The fourth proportional to 617,171,568.80, 925,387,837.04 and 208,218,665.12 is: 312,203,331.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,171,568.80 : 925,387,837.04 = 208,218,665.12 : x
  2. Step 2: Convert to fraction form
    617,171,568.80/925,387,837.04 = 208,218,665.12/x
  3. Step 3: Cross multiply
    617,171,568.80x = 925,387,837.04 × 208,218,665.12
  4. Step 4: Simplify right side
    617,171,568.80x = 192,683,020,146,752,896
  5. Step 5: Solve for x
    x = 192,683,020,146,752,896/617,171,568.80
  6. Step 6: Final answer
    x = 312,203,331.92

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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.