Home / 326,320,895-489,494,841.70-96,289,982.40

Finding the Fourth Proportional to 326,320,895, 489,494,841.70 and 96,289,982.40

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Solution

The fourth proportional to 326,320,895, 489,494,841.70 and 96,289,982.40 is: 144,438,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,320,895 : 489,494,841.70 = 96,289,982.40 : x
  2. Step 2: Convert to fraction form
    326,320,895/489,494,841.70 = 96,289,982.40/x
  3. Step 3: Cross multiply
    326,320,895x = 489,494,841.70 × 96,289,982.40
  4. Step 4: Simplify right side
    326,320,895x = 47,133,449,692,183,784
  5. Step 5: Solve for x
    x = 47,133,449,692,183,784/326,320,895
  6. Step 6: Final answer
    x = 144,438,956.91

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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.