Home / 489,414,289.80-675,409,539.96-266,385,191.61

Finding the Fourth Proportional to 489,414,289.80, 675,409,539.96 and 266,385,191.61

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Solution

The fourth proportional to 489,414,289.80, 675,409,539.96 and 266,385,191.61 is: 367,621,263.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,414,289.80 : 675,409,539.96 = 266,385,191.61 : x
  2. Step 2: Convert to fraction form
    489,414,289.80/675,409,539.96 = 266,385,191.61/x
  3. Step 3: Cross multiply
    489,414,289.80x = 675,409,539.96 × 266,385,191.61
  4. Step 4: Simplify right side
    489,414,289.80x = 179,919,099,717,466,560
  5. Step 5: Solve for x
    x = 179,919,099,717,466,560/489,414,289.80
  6. Step 6: Final answer
    x = 367,621,263.76

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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.