Home / 386,209,426.47-579,259,595.93-123,859,886.82

Finding the Fourth Proportional to 386,209,426.47, 579,259,595.93 and 123,859,886.82

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Solution

The fourth proportional to 386,209,426.47, 579,259,595.93 and 123,859,886.82 is: 185,772,337.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,209,426.47 : 579,259,595.93 = 123,859,886.82 : x
  2. Step 2: Convert to fraction form
    386,209,426.47/579,259,595.93 = 123,859,886.82/x
  3. Step 3: Cross multiply
    386,209,426.47x = 579,259,595.93 × 123,859,886.82
  4. Step 4: Simplify right side
    386,209,426.47x = 71,747,027,990,669,424
  5. Step 5: Solve for x
    x = 71,747,027,990,669,424/386,209,426.47
  6. Step 6: Final answer
    x = 185,772,337.68

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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.