Finding the Fourth Proportional to 511,069,497.40, 766,604,246.10 and 327,403,487.80
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Solution
The fourth proportional to 511,069,497.40, 766,604,246.10 and 327,403,487.80 is: 491,105,231.70
Step by Step Solution
- Step 1: Write the proportion equation
511,069,497.40 : 766,604,246.10 = 327,403,487.80 : x - Step 2: Convert to fraction form
511,069,497.40/766,604,246.10 = 327,403,487.80/x - Step 3: Cross multiply
511,069,497.40x = 766,604,246.10 × 327,403,487.80 - Step 4: Simplify right side
511,069,497.40x = 250,988,903,935,429,568 - Step 5: Solve for x
x = 250,988,903,935,429,568/511,069,497.40 - Step 6: Final answer
x = 491,105,231.70
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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.