Home / 326,669,117.40-489,436,805.70-211,594,426.20

Finding the Fourth Proportional to 326,669,117.40, 489,436,805.70 and 211,594,426.20

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Solution

The fourth proportional to 326,669,117.40, 489,436,805.70 and 211,594,426.20 is: 317,024,458.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,669,117.40 : 489,436,805.70 = 211,594,426.20 : x
  2. Step 2: Convert to fraction form
    326,669,117.40/489,436,805.70 = 211,594,426.20/x
  3. Step 3: Cross multiply
    326,669,117.40x = 489,436,805.70 × 211,594,426.20
  4. Step 4: Simplify right side
    326,669,117.40x = 103,562,100,063,252,384
  5. Step 5: Solve for x
    x = 103,562,100,063,252,384/326,669,117.40
  6. Step 6: Final answer
    x = 317,024,458.53

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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.