Home / 326,617,423.20-489,926,134.80-144,864,601.20

Finding the Fourth Proportional to 326,617,423.20, 489,926,134.80 and 144,864,601.20

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Solution

The fourth proportional to 326,617,423.20, 489,926,134.80 and 144,864,601.20 is: 217,296,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,617,423.20 : 489,926,134.80 = 144,864,601.20 : x
  2. Step 2: Convert to fraction form
    326,617,423.20/489,926,134.80 = 144,864,601.20/x
  3. Step 3: Cross multiply
    326,617,423.20x = 489,926,134.80 × 144,864,601.20
  4. Step 4: Simplify right side
    326,617,423.20x = 70,972,954,135,259,440
  5. Step 5: Solve for x
    x = 70,972,954,135,259,440/326,617,423.20
  6. Step 6: Final answer
    x = 217,296,901.80

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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.