Finding the Fourth Proportional to 379,884,284.04, 523,824,013.80 and 247,479,744.90
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Solution
The fourth proportional to 379,884,284.04, 523,824,013.80 and 247,479,744.90 is: 341,250,845.99
Step by Step Solution
- Step 1: Write the proportion equation
379,884,284.04 : 523,824,013.80 = 247,479,744.90 : x - Step 2: Convert to fraction form
379,884,284.04/523,824,013.80 = 247,479,744.90/x - Step 3: Cross multiply
379,884,284.04x = 523,824,013.80 × 247,479,744.90 - Step 4: Simplify right side
379,884,284.04x = 129,635,833,307,718,080 - Step 5: Solve for x
x = 129,635,833,307,718,080/379,884,284.04 - Step 6: Final answer
x = 341,250,845.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.