Home / 1,443,504,948.48-1,992,055,939.20-783,463,138.56

Finding the Fourth Proportional to 1,443,504,948.48, 1,992,055,939.20 and 783,463,138.56

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Solution

The fourth proportional to 1,443,504,948.48, 1,992,055,939.20 and 783,463,138.56 is: 1,081,189,503.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,504,948.48 : 1,992,055,939.20 = 783,463,138.56 : x
  2. Step 2: Convert to fraction form
    1,443,504,948.48/1,992,055,939.20 = 783,463,138.56/x
  3. Step 3: Cross multiply
    1,443,504,948.48x = 1,992,055,939.20 × 783,463,138.56
  4. Step 4: Simplify right side
    1,443,504,948.48x = 1,560,702,398,312,720,384
  5. Step 5: Solve for x
    x = 1,560,702,398,312,720,384/1,443,504,948.48
  6. Step 6: Final answer
    x = 1,081,189,503.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.