Home / 1,821,347,679.15-2,513,467,818.66-985,972,249.76

Finding the Fourth Proportional to 1,821,347,679.15, 2,513,467,818.66 and 985,972,249.76

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Solution

The fourth proportional to 1,821,347,679.15, 2,513,467,818.66 and 985,972,249.76 is: 1,360,646,047.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,347,679.15 : 2,513,467,818.66 = 985,972,249.76 : x
  2. Step 2: Convert to fraction form
    1,821,347,679.15/2,513,467,818.66 = 985,972,249.76/x
  3. Step 3: Cross multiply
    1,821,347,679.15x = 2,513,467,818.66 × 985,972,249.76
  4. Step 4: Simplify right side
    1,821,347,679.15x = 2,478,209,519,850,992,640
  5. Step 5: Solve for x
    x = 2,478,209,519,850,992,640/1,821,347,679.15
  6. Step 6: Final answer
    x = 1,360,646,047.00

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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.