Home / 394,022,979.01-543,725,799.81-226,732,239.13

Finding the Fourth Proportional to 394,022,979.01, 543,725,799.81 and 226,732,239.13

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Solution

The fourth proportional to 394,022,979.01, 543,725,799.81 and 226,732,239.13 is: 312,875,579.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,022,979.01 : 543,725,799.81 = 226,732,239.13 : x
  2. Step 2: Convert to fraction form
    394,022,979.01/543,725,799.81 = 226,732,239.13/x
  3. Step 3: Cross multiply
    394,022,979.01x = 543,725,799.81 × 226,732,239.13
  4. Step 4: Simplify right side
    394,022,979.01x = 123,280,168,063,671,408
  5. Step 5: Solve for x
    x = 123,280,168,063,671,408/394,022,979.01
  6. Step 6: Final answer
    x = 312,875,579.93

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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.