Finding the Fourth Proportional to 2,633,884,391.05, 3,950,442,011.45 and 768,028,697.98
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Solution
The fourth proportional to 2,633,884,391.05, 3,950,442,011.45 and 768,028,697.98 is: 1,151,930,906.61
Step by Step Solution
- Step 1: Write the proportion equation
2,633,884,391.05 : 3,950,442,011.45 = 768,028,697.98 : x - Step 2: Convert to fraction form
2,633,884,391.05/3,950,442,011.45 = 768,028,697.98/x - Step 3: Cross multiply
2,633,884,391.05x = 3,950,442,011.45 × 768,028,697.98 - Step 4: Simplify right side
2,633,884,391.05x = 3,034,052,834,491,479,552 - Step 5: Solve for x
x = 3,034,052,834,491,479,552/2,633,884,391.05 - Step 6: Final answer
x = 1,151,930,906.61
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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.