Home / 1,298,324,405.88-1,791,731,010.06-711,615,045.24

Finding the Fourth Proportional to 1,298,324,405.88, 1,791,731,010.06 and 711,615,045.24

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Solution

The fourth proportional to 1,298,324,405.88, 1,791,731,010.06 and 711,615,045.24 is: 982,052,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,324,405.88 : 1,791,731,010.06 = 711,615,045.24 : x
  2. Step 2: Convert to fraction form
    1,298,324,405.88/1,791,731,010.06 = 711,615,045.24/x
  3. Step 3: Cross multiply
    1,298,324,405.88x = 1,791,731,010.06 × 711,615,045.24
  4. Step 4: Simplify right side
    1,298,324,405.88x = 1,275,022,743,781,757,696
  5. Step 5: Solve for x
    x = 1,275,022,743,781,757,696/1,298,324,405.88
  6. Step 6: Final answer
    x = 982,052,511.69

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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.