Home / 386,209,406.94-579,259,566.68-123,859,867.26

Finding the Fourth Proportional to 386,209,406.94, 579,259,566.68 and 123,859,867.26

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Solution

The fourth proportional to 386,209,406.94, 579,259,566.68 and 123,859,867.26 is: 185,772,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,209,406.94 : 579,259,566.68 = 123,859,867.26 : x
  2. Step 2: Convert to fraction form
    386,209,406.94/579,259,566.68 = 123,859,867.26/x
  3. Step 3: Cross multiply
    386,209,406.94x = 579,259,566.68 × 123,859,867.26
  4. Step 4: Simplify right side
    386,209,406.94x = 71,747,013,039,622,840
  5. Step 5: Solve for x
    x = 71,747,013,039,622,840/386,209,406.94
  6. Step 6: Final answer
    x = 185,772,308.36

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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.