Finding the Fourth Proportional to 517,204,807.35, 713,757,751.70 and 282,270,545.79
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Solution
The fourth proportional to 517,204,807.35, 713,757,751.70 and 282,270,545.79 is: 389,541,603.77
Step by Step Solution
- Step 1: Write the proportion equation
517,204,807.35 : 713,757,751.70 = 282,270,545.79 : x - Step 2: Convert to fraction form
517,204,807.35/713,757,751.70 = 282,270,545.79/x - Step 3: Cross multiply
517,204,807.35x = 713,757,751.70 × 282,270,545.79 - Step 4: Simplify right side
517,204,807.35x = 201,472,790,132,790,976 - Step 5: Solve for x
x = 201,472,790,132,790,976/517,204,807.35 - Step 6: Final answer
x = 389,541,603.77
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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.