Home / 326,628,020.40-489,942,030.60-296,394,932.40

Finding the Fourth Proportional to 326,628,020.40, 489,942,030.60 and 296,394,932.40

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Solution

The fourth proportional to 326,628,020.40, 489,942,030.60 and 296,394,932.40 is: 444,592,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,628,020.40 : 489,942,030.60 = 296,394,932.40 : x
  2. Step 2: Convert to fraction form
    326,628,020.40/489,942,030.60 = 296,394,932.40/x
  3. Step 3: Cross multiply
    326,628,020.40x = 489,942,030.60 × 296,394,932.40
  4. Step 4: Simplify right side
    326,628,020.40x = 145,216,335,039,605,728
  5. Step 5: Solve for x
    x = 145,216,335,039,605,728/326,628,020.40
  6. Step 6: Final answer
    x = 444,592,398.60

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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.