Finding the Fourth Proportional to 477,129,302.20, 715,693,953.30 and 354,685,295.80
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Solution
The fourth proportional to 477,129,302.20, 715,693,953.30 and 354,685,295.80 is: 532,027,943.70
Step by Step Solution
- Step 1: Write the proportion equation
477,129,302.20 : 715,693,953.30 = 354,685,295.80 : x - Step 2: Convert to fraction form
477,129,302.20/715,693,953.30 = 354,685,295.80/x - Step 3: Cross multiply
477,129,302.20x = 715,693,953.30 × 354,685,295.80 - Step 4: Simplify right side
477,129,302.20x = 253,846,121,528,481,888 - Step 5: Solve for x
x = 253,846,121,528,481,888/477,129,302.20 - Step 6: Final answer
x = 532,027,943.70
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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.