Finding the Fourth Proportional to 359,691,347.88, 496,386,079.74 and 220,435,201.80
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Solution
The fourth proportional to 359,691,347.88, 496,386,079.74 and 220,435,201.80 is: 304,207,944.68
Step by Step Solution
- Step 1: Write the proportion equation
359,691,347.88 : 496,386,079.74 = 220,435,201.80 : x - Step 2: Convert to fraction form
359,691,347.88/496,386,079.74 = 220,435,201.80/x - Step 3: Cross multiply
359,691,347.88x = 496,386,079.74 × 220,435,201.80 - Step 4: Simplify right side
359,691,347.88x = 109,420,965,658,197,792 - Step 5: Solve for x
x = 109,420,965,658,197,792/359,691,347.88 - Step 6: Final answer
x = 304,207,944.68
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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.