Home / 327,470,229.40-491,205,344.10-155,283,345.40

Finding the Fourth Proportional to 327,470,229.40, 491,205,344.10 and 155,283,345.40

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Solution

The fourth proportional to 327,470,229.40, 491,205,344.10 and 155,283,345.40 is: 232,925,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,470,229.40 : 491,205,344.10 = 155,283,345.40 : x
  2. Step 2: Convert to fraction form
    327,470,229.40/491,205,344.10 = 155,283,345.40/x
  3. Step 3: Cross multiply
    327,470,229.40x = 491,205,344.10 × 155,283,345.40
  4. Step 4: Simplify right side
    327,470,229.40x = 76,276,009,110,206,160
  5. Step 5: Solve for x
    x = 76,276,009,110,206,160/327,470,229.40
  6. Step 6: Final answer
    x = 232,925,018.10

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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.