Home / 1,271,079,393.46-1,906,583,845.33-338,410,243.07

Finding the Fourth Proportional to 1,271,079,393.46, 1,906,583,845.33 and 338,410,243.07

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Solution

The fourth proportional to 1,271,079,393.46, 1,906,583,845.33 and 338,410,243.07 is: 507,605,981.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,079,393.46 : 1,906,583,845.33 = 338,410,243.07 : x
  2. Step 2: Convert to fraction form
    1,271,079,393.46/1,906,583,845.33 = 338,410,243.07/x
  3. Step 3: Cross multiply
    1,271,079,393.46x = 1,906,583,845.33 × 338,410,243.07
  4. Step 4: Simplify right side
    1,271,079,393.46x = 645,207,502,529,517,312
  5. Step 5: Solve for x
    x = 645,207,502,529,517,312/1,271,079,393.46
  6. Step 6: Final answer
    x = 507,605,981.07

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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.