Home / 326,629,205.40-489,943,808.10-163,370,530.20

Finding the Fourth Proportional to 326,629,205.40, 489,943,808.10 and 163,370,530.20

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Solution

The fourth proportional to 326,629,205.40, 489,943,808.10 and 163,370,530.20 is: 245,055,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,629,205.40 : 489,943,808.10 = 163,370,530.20 : x
  2. Step 2: Convert to fraction form
    326,629,205.40/489,943,808.10 = 163,370,530.20/x
  3. Step 3: Cross multiply
    326,629,205.40x = 489,943,808.10 × 163,370,530.20
  4. Step 4: Simplify right side
    326,629,205.40x = 80,042,379,697,504,048
  5. Step 5: Solve for x
    x = 80,042,379,697,504,048/326,629,205.40
  6. Step 6: Final answer
    x = 245,055,795.30

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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.