Finding the Fourth Proportional to 4,020,687,821.40, 6,031,031,732.10 and 2,987,566,517.40
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Solution
The fourth proportional to 4,020,687,821.40, 6,031,031,732.10 and 2,987,566,517.40 is: 4,481,349,776.10
Step by Step Solution
- Step 1: Write the proportion equation
4,020,687,821.40 : 6,031,031,732.10 = 2,987,566,517.40 : x - Step 2: Convert to fraction form
4,020,687,821.40/6,031,031,732.10 = 2,987,566,517.40/x - Step 3: Cross multiply
4,020,687,821.40x = 6,031,031,732.10 × 2,987,566,517.40 - Step 4: Simplify right side
4,020,687,821.40x = 18,018,108,468,198,889,472 - Step 5: Solve for x
x = 18,018,108,468,198,889,472/4,020,687,821.40 - Step 6: Final answer
x = 4,481,349,776.10
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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.