Finding the Fourth Proportional to 834,336,836.40, 1,170,490,218 and 834,336,836.40
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Solution
The fourth proportional to 834,336,836.40, 1,170,490,218 and 834,336,836.40 is: 1,170,490,218
Step by Step Solution
- Step 1: Write the proportion equation
834,336,836.40 : 1,170,490,218 = 834,336,836.40 : x - Step 2: Convert to fraction form
834,336,836.40/1,170,490,218 = 834,336,836.40/x - Step 3: Cross multiply
834,336,836.40x = 1,170,490,218 × 834,336,836.40 - Step 4: Simplify right side
834,336,836.40x = 976,583,105,523,266,304 - Step 5: Solve for x
x = 976,583,105,523,266,304/834,336,836.40 - Step 6: Final answer
x = 1,170,490,218
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.