Home / 911,043,675.32-1,257,241,484.41-493,356,680.96

Finding the Fourth Proportional to 911,043,675.32, 1,257,241,484.41 and 493,356,680.96

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Solution

The fourth proportional to 911,043,675.32, 1,257,241,484.41 and 493,356,680.96 is: 680,832,876.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,043,675.32 : 1,257,241,484.41 = 493,356,680.96 : x
  2. Step 2: Convert to fraction form
    911,043,675.32/1,257,241,484.41 = 493,356,680.96/x
  3. Step 3: Cross multiply
    911,043,675.32x = 1,257,241,484.41 × 493,356,680.96
  4. Step 4: Simplify right side
    911,043,675.32x = 620,268,485,906,221,568
  5. Step 5: Solve for x
    x = 620,268,485,906,221,568/911,043,675.32
  6. Step 6: Final answer
    x = 680,832,876.31

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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.