Finding the Fourth Proportional to 997,228,751.93, 1,376,204,943.96 and 545,131,701.19
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Solution
The fourth proportional to 997,228,751.93, 1,376,204,943.96 and 545,131,701.19 is: 752,297,745.95
Step by Step Solution
- Step 1: Write the proportion equation
997,228,751.93 : 1,376,204,943.96 = 545,131,701.19 : x - Step 2: Convert to fraction form
997,228,751.93/1,376,204,943.96 = 545,131,701.19/x - Step 3: Cross multiply
997,228,751.93x = 1,376,204,943.96 × 545,131,701.19 - Step 4: Simplify right side
997,228,751.93x = 750,212,942,280,117,760 - Step 5: Solve for x
x = 750,212,942,280,117,760/997,228,751.93 - Step 6: Final answer
x = 752,297,745.95
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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.