Finding the Fourth Proportional to 550,368,996.90, 825,553,495.35 and 508,278,869.70
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Solution
The fourth proportional to 550,368,996.90, 825,553,495.35 and 508,278,869.70 is: 762,418,304.55
Step by Step Solution
- Step 1: Write the proportion equation
550,368,996.90 : 825,553,495.35 = 508,278,869.70 : x - Step 2: Convert to fraction form
550,368,996.90/825,553,495.35 = 508,278,869.70/x - Step 3: Cross multiply
550,368,996.90x = 825,553,495.35 × 508,278,869.70 - Step 4: Simplify right side
550,368,996.90x = 419,611,397,493,382,208 - Step 5: Solve for x
x = 419,611,397,493,382,208/550,368,996.90 - Step 6: Final answer
x = 762,418,304.55
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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.