Finding the Fourth Proportional to 514,202,658.28, 709,816,813.86 and 347,165,197.48
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Solution
The fourth proportional to 514,202,658.28, 709,816,813.86 and 347,165,197.48 is: 479,234,578.80
Step by Step Solution
- Step 1: Write the proportion equation
514,202,658.28 : 709,816,813.86 = 347,165,197.48 : x - Step 2: Convert to fraction form
514,202,658.28/709,816,813.86 = 347,165,197.48/x - Step 3: Cross multiply
514,202,658.28x = 709,816,813.86 × 347,165,197.48 - Step 4: Simplify right side
514,202,658.28x = 246,423,694,358,331,328 - Step 5: Solve for x
x = 246,423,694,358,331,328/514,202,658.28 - Step 6: Final answer
x = 479,234,578.80
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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.