Finding the Fourth Proportional to 720,666,895.33, 1,080,720,870.34 and 247,876,040.99
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Solution
The fourth proportional to 720,666,895.33, 1,080,720,870.34 and 247,876,040.99 is: 371,717,935.84
Step by Step Solution
- Step 1: Write the proportion equation
720,666,895.33 : 1,080,720,870.34 = 247,876,040.99 : x - Step 2: Convert to fraction form
720,666,895.33/1,080,720,870.34 = 247,876,040.99/x - Step 3: Cross multiply
720,666,895.33x = 1,080,720,870.34 × 247,876,040.99 - Step 4: Simplify right side
720,666,895.33x = 267,884,810,755,146,304 - Step 5: Solve for x
x = 267,884,810,755,146,304/720,666,895.33 - Step 6: Final answer
x = 371,717,935.84
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1.5x scale
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.