Home / 326,267,399.20-489,401,098.80-197,272,890.40

Finding the Fourth Proportional to 326,267,399.20, 489,401,098.80 and 197,272,890.40

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Solution

The fourth proportional to 326,267,399.20, 489,401,098.80 and 197,272,890.40 is: 295,909,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,267,399.20 : 489,401,098.80 = 197,272,890.40 : x
  2. Step 2: Convert to fraction form
    326,267,399.20/489,401,098.80 = 197,272,890.40/x
  3. Step 3: Cross multiply
    326,267,399.20x = 489,401,098.80 × 197,272,890.40
  4. Step 4: Simplify right side
    326,267,399.20x = 96,545,569,325,211,984
  5. Step 5: Solve for x
    x = 96,545,569,325,211,984/326,267,399.20
  6. Step 6: Final answer
    x = 295,909,335.60

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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.