Home / 1,296,091,822.94-1,788,414,309.02-787,189,713.14

Finding the Fourth Proportional to 1,296,091,822.94, 1,788,414,309.02 and 787,189,713.14

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Solution

The fourth proportional to 1,296,091,822.94, 1,788,414,309.02 and 787,189,713.14 is: 1,086,204,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,091,822.94 : 1,788,414,309.02 = 787,189,713.14 : x
  2. Step 2: Convert to fraction form
    1,296,091,822.94/1,788,414,309.02 = 787,189,713.14/x
  3. Step 3: Cross multiply
    1,296,091,822.94x = 1,788,414,309.02 × 787,189,713.14
  4. Step 4: Simplify right side
    1,296,091,822.94x = 1,407,821,346,892,925,184
  5. Step 5: Solve for x
    x = 1,407,821,346,892,925,184/1,296,091,822.94
  6. Step 6: Final answer
    x = 1,086,204,944.72

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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.