Home / 326,616,820.20-489,925,230.30-144,863,998.20

Finding the Fourth Proportional to 326,616,820.20, 489,925,230.30 and 144,863,998.20

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Solution

The fourth proportional to 326,616,820.20, 489,925,230.30 and 144,863,998.20 is: 217,295,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,616,820.20 : 489,925,230.30 = 144,863,998.20 : x
  2. Step 2: Convert to fraction form
    326,616,820.20/489,925,230.30 = 144,863,998.20/x
  3. Step 3: Cross multiply
    326,616,820.20x = 489,925,230.30 × 144,863,998.20
  4. Step 4: Simplify right side
    326,616,820.20x = 70,972,527,680,313,784
  5. Step 5: Solve for x
    x = 70,972,527,680,313,784/326,616,820.20
  6. Step 6: Final answer
    x = 217,295,997.30

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1.5x scale

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.