Finding the Fourth Proportional to 4,155,941,908.67, 5,735,128,947.50 and 2,250,687,908.75
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Solution
The fourth proportional to 4,155,941,908.67, 5,735,128,947.50 and 2,250,687,908.75 is: 3,105,910,924.87
Step by Step Solution
- Step 1: Write the proportion equation
4,155,941,908.67 : 5,735,128,947.50 = 2,250,687,908.75 : x - Step 2: Convert to fraction form
4,155,941,908.67/5,735,128,947.50 = 2,250,687,908.75/x - Step 3: Cross multiply
4,155,941,908.67x = 5,735,128,947.50 × 2,250,687,908.75 - Step 4: Simplify right side
4,155,941,908.67x = 12,907,985,377,249,110,016 - Step 5: Solve for x
x = 12,907,985,377,249,110,016/4,155,941,908.67 - Step 6: Final answer
x = 3,105,910,924.87
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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.