Finding the Fourth Proportional to 873,760,619.70, 1,310,640,929.55 and 227,528,363.70
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Solution
The fourth proportional to 873,760,619.70, 1,310,640,929.55 and 227,528,363.70 is: 341,292,545.55
Step by Step Solution
- Step 1: Write the proportion equation
873,760,619.70 : 1,310,640,929.55 = 227,528,363.70 : x - Step 2: Convert to fraction form
873,760,619.70/1,310,640,929.55 = 227,528,363.70/x - Step 3: Cross multiply
873,760,619.70x = 1,310,640,929.55 × 227,528,363.70 - Step 4: Simplify right side
873,760,619.70x = 298,207,986,098,758,464 - Step 5: Solve for x
x = 298,207,986,098,758,464/873,760,619.70 - Step 6: Final answer
x = 341,292,545.55
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1.5x scale
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.