Finding the Fourth Proportional to 4,762,324,198.18, 6,572,375,522.66 and 2,857,157,371.47
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Solution
The fourth proportional to 4,762,324,198.18, 6,572,375,522.66 and 2,857,157,371.47 is: 3,943,098,031.80
Step by Step Solution
- Step 1: Write the proportion equation
4,762,324,198.18 : 6,572,375,522.66 = 2,857,157,371.47 : x - Step 2: Convert to fraction form
4,762,324,198.18/6,572,375,522.66 = 2,857,157,371.47/x - Step 3: Cross multiply
4,762,324,198.18x = 6,572,375,522.66 × 2,857,157,371.47 - Step 4: Simplify right side
4,762,324,198.18x = 18,778,311,172,637,011,968 - Step 5: Solve for x
x = 18,778,311,172,637,011,968/4,762,324,198.18 - Step 6: Final answer
x = 3,943,098,031.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.