Finding the Fourth Proportional to 393,677,092.10, 543,263,861.58 and 217,461,294.84
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Solution
The fourth proportional to 393,677,092.10, 543,263,861.58 and 217,461,294.84 is: 300,090,772.74
Step by Step Solution
- Step 1: Write the proportion equation
393,677,092.10 : 543,263,861.58 = 217,461,294.84 : x - Step 2: Convert to fraction form
393,677,092.10/543,263,861.58 = 217,461,294.84/x - Step 3: Cross multiply
393,677,092.10x = 543,263,861.58 × 217,461,294.84 - Step 4: Simplify right side
393,677,092.10x = 118,138,862,778,965,344 - Step 5: Solve for x
x = 118,138,862,778,965,344/393,677,092.10 - Step 6: Final answer
x = 300,090,772.74
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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.