Finding the Fourth Proportional to 1,427,249,230.60, 2,140,873,845.90 and 1,330,394,108.35
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Solution
The fourth proportional to 1,427,249,230.60, 2,140,873,845.90 and 1,330,394,108.35 is: 1,995,591,162.53
Step by Step Solution
- Step 1: Write the proportion equation
1,427,249,230.60 : 2,140,873,845.90 = 1,330,394,108.35 : x - Step 2: Convert to fraction form
1,427,249,230.60/2,140,873,845.90 = 1,330,394,108.35/x - Step 3: Cross multiply
1,427,249,230.60x = 2,140,873,845.90 × 1,330,394,108.35 - Step 4: Simplify right side
1,427,249,230.60x = 2,848,205,951,305,965,568 - Step 5: Solve for x
x = 2,848,205,951,305,965,568/1,427,249,230.60 - Step 6: Final answer
x = 1,995,591,162.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.