Finding the Fourth Proportional to 1,491,874,304.40, 2,237,811,456.60 and 508,974,174.90
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Solution
The fourth proportional to 1,491,874,304.40, 2,237,811,456.60 and 508,974,174.90 is: 763,461,262.35
Step by Step Solution
- Step 1: Write the proportion equation
1,491,874,304.40 : 2,237,811,456.60 = 508,974,174.90 : x - Step 2: Convert to fraction form
1,491,874,304.40/2,237,811,456.60 = 508,974,174.90/x - Step 3: Cross multiply
1,491,874,304.40x = 2,237,811,456.60 × 508,974,174.90 - Step 4: Simplify right side
1,491,874,304.40x = 1,138,988,239,704,752,000 - Step 5: Solve for x
x = 1,138,988,239,704,752,000/1,491,874,304.40 - Step 6: Final answer
x = 763,461,262.35
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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.