Finding the Fourth Proportional to 551,428,939.10, 827,143,408.65 and 491,163,529.70
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Solution
The fourth proportional to 551,428,939.10, 827,143,408.65 and 491,163,529.70 is: 736,745,294.55
Step by Step Solution
- Step 1: Write the proportion equation
551,428,939.10 : 827,143,408.65 = 491,163,529.70 : x - Step 2: Convert to fraction form
551,428,939.10/827,143,408.65 = 491,163,529.70/x - Step 3: Cross multiply
551,428,939.10x = 827,143,408.65 × 491,163,529.70 - Step 4: Simplify right side
551,428,939.10x = 406,262,676,160,623,488 - Step 5: Solve for x
x = 406,262,676,160,623,488/551,428,939.10 - Step 6: Final answer
x = 736,745,294.55
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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.