Finding the Fourth Proportional to 343,873,277.70, 515,809,916.55 and 299,083,517.70
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Solution
The fourth proportional to 343,873,277.70, 515,809,916.55 and 299,083,517.70 is: 448,625,276.55
Step by Step Solution
- Step 1: Write the proportion equation
343,873,277.70 : 515,809,916.55 = 299,083,517.70 : x - Step 2: Convert to fraction form
343,873,277.70/515,809,916.55 = 299,083,517.70/x - Step 3: Cross multiply
343,873,277.70x = 515,809,916.55 × 299,083,517.70 - Step 4: Simplify right side
343,873,277.70x = 154,270,244,306,317,440 - Step 5: Solve for x
x = 154,270,244,306,317,440/343,873,277.70 - Step 6: Final answer
x = 448,625,276.55
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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.