Home / 326,669,234.40-489,436,981.20-211,594,543.20

Finding the Fourth Proportional to 326,669,234.40, 489,436,981.20 and 211,594,543.20

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Solution

The fourth proportional to 326,669,234.40, 489,436,981.20 and 211,594,543.20 is: 317,024,633.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,669,234.40 : 489,436,981.20 = 211,594,543.20 : x
  2. Step 2: Convert to fraction form
    326,669,234.40/489,436,981.20 = 211,594,543.20/x
  3. Step 3: Cross multiply
    326,669,234.40x = 489,436,981.20 × 211,594,543.20
  4. Step 4: Simplify right side
    326,669,234.40x = 103,562,194,462,200,976
  5. Step 5: Solve for x
    x = 103,562,194,462,200,976/326,669,234.40
  6. Step 6: Final answer
    x = 317,024,633.96

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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.