Finding the Fourth Proportional to 1,803,275,491.80, 2,704,874,728.50 and 493,177,549.08
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Solution
The fourth proportional to 1,803,275,491.80, 2,704,874,728.50 and 493,177,549.08 is: 739,755,791.74
Step by Step Solution
- Step 1: Write the proportion equation
1,803,275,491.80 : 2,704,874,728.50 = 493,177,549.08 : x - Step 2: Convert to fraction form
1,803,275,491.80/2,704,874,728.50 = 493,177,549.08/x - Step 3: Cross multiply
1,803,275,491.80x = 2,704,874,728.50 × 493,177,549.08 - Step 4: Simplify right side
1,803,275,491.80x = 1,333,983,489,170,060,288 - Step 5: Solve for x
x = 1,333,983,489,170,060,288/1,803,275,491.80 - Step 6: Final answer
x = 739,755,791.74
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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.