Home / 326,643,074.20-489,964,611.30-144,890,252.20

Finding the Fourth Proportional to 326,643,074.20, 489,964,611.30 and 144,890,252.20

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Solution

The fourth proportional to 326,643,074.20, 489,964,611.30 and 144,890,252.20 is: 217,335,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,643,074.20 : 489,964,611.30 = 144,890,252.20 : x
  2. Step 2: Convert to fraction form
    326,643,074.20/489,964,611.30 = 144,890,252.20/x
  3. Step 3: Cross multiply
    326,643,074.20x = 489,964,611.30 × 144,890,252.20
  4. Step 4: Simplify right side
    326,643,074.20x = 70,991,096,100,331,968
  5. Step 5: Solve for x
    x = 70,991,096,100,331,968/326,643,074.20
  6. Step 6: Final answer
    x = 217,335,378.30

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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.