Finding the Fourth Proportional to 504,453,907.80, 756,680,861.70 and 402,417,235.80
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Solution
The fourth proportional to 504,453,907.80, 756,680,861.70 and 402,417,235.80 is: 603,625,853.70
Step by Step Solution
- Step 1: Write the proportion equation
504,453,907.80 : 756,680,861.70 = 402,417,235.80 : x - Step 2: Convert to fraction form
504,453,907.80/756,680,861.70 = 402,417,235.80/x - Step 3: Cross multiply
504,453,907.80x = 756,680,861.70 × 402,417,235.80 - Step 4: Simplify right side
504,453,907.80x = 304,501,420,748,076,096 - Step 5: Solve for x
x = 304,501,420,748,076,096/504,453,907.80 - Step 6: Final answer
x = 603,625,853.70
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Similar ratio
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1.5x scale
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.