Finding the Fourth Proportional to 529,443,211.18, 793,244,468.57 and 371,541,336.70
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Solution
The fourth proportional to 529,443,211.18, 793,244,468.57 and 371,541,336.70 is: 556,666,142.77
Step by Step Solution
- Step 1: Write the proportion equation
529,443,211.18 : 793,244,468.57 = 371,541,336.70 : x - Step 2: Convert to fraction form
529,443,211.18/793,244,468.57 = 371,541,336.70/x - Step 3: Cross multiply
529,443,211.18x = 793,244,468.57 × 371,541,336.70 - Step 4: Simplify right side
529,443,211.18x = 294,723,110,182,378,944 - Step 5: Solve for x
x = 294,723,110,182,378,944/529,443,211.18 - Step 6: Final answer
x = 556,666,142.77
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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.