Home / 386,823,145.20-580,234,717.80-364,129,666.80

Finding the Fourth Proportional to 386,823,145.20, 580,234,717.80 and 364,129,666.80

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Solution

The fourth proportional to 386,823,145.20, 580,234,717.80 and 364,129,666.80 is: 546,194,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,823,145.20 : 580,234,717.80 = 364,129,666.80 : x
  2. Step 2: Convert to fraction form
    386,823,145.20/580,234,717.80 = 364,129,666.80/x
  3. Step 3: Cross multiply
    386,823,145.20x = 580,234,717.80 × 364,129,666.80
  4. Step 4: Simplify right side
    386,823,145.20x = 211,280,674,458,306,016
  5. Step 5: Solve for x
    x = 211,280,674,458,306,016/386,823,145.20
  6. Step 6: Final answer
    x = 546,194,500.20

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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.