Finding the Fourth Proportional to 327,982,830.99, 452,594,738.48 and 188,731,117.23
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Solution
The fourth proportional to 327,982,830.99, 452,594,738.48 and 188,731,117.23 is: 260,436,530.74
Step by Step Solution
- Step 1: Write the proportion equation
327,982,830.99 : 452,594,738.48 = 188,731,117.23 : x - Step 2: Convert to fraction form
327,982,830.99/452,594,738.48 = 188,731,117.23/x - Step 3: Cross multiply
327,982,830.99x = 452,594,738.48 × 188,731,117.23 - Step 4: Simplify right side
327,982,830.99x = 85,418,710,644,806,416 - Step 5: Solve for x
x = 85,418,710,644,806,416/327,982,830.99 - Step 6: Final answer
x = 260,436,530.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.