Home / 1,528,561,614.24-2,289,481,612.56-1,263,239,206.56

Finding the Fourth Proportional to 1,528,561,614.24, 2,289,481,612.56 and 1,263,239,206.56

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Solution

The fourth proportional to 1,528,561,614.24, 2,289,481,612.56 and 1,263,239,206.56 is: 1,892,081,358.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,561,614.24 : 2,289,481,612.56 = 1,263,239,206.56 : x
  2. Step 2: Convert to fraction form
    1,528,561,614.24/2,289,481,612.56 = 1,263,239,206.56/x
  3. Step 3: Cross multiply
    1,528,561,614.24x = 2,289,481,612.56 × 1,263,239,206.56
  4. Step 4: Simplify right side
    1,528,561,614.24x = 2,892,162,935,684,003,328
  5. Step 5: Solve for x
    x = 2,892,162,935,684,003,328/1,528,561,614.24
  6. Step 6: Final answer
    x = 1,892,081,358.54

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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.