Finding the Fourth Proportional to 378,220,734.76, 567,503,482.86 and 194,117,496
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Solution
The fourth proportional to 378,220,734.76, 567,503,482.86 and 194,117,496 is: 291,264,716.45
Step by Step Solution
- Step 1: Write the proportion equation
378,220,734.76 : 567,503,482.86 = 194,117,496 : x - Step 2: Convert to fraction form
378,220,734.76/567,503,482.86 = 194,117,496/x - Step 3: Cross multiply
378,220,734.76x = 567,503,482.86 × 194,117,496 - Step 4: Simplify right side
378,220,734.76x = 110,162,355,064,062,128 - Step 5: Solve for x
x = 110,162,355,064,062,128/378,220,734.76 - Step 6: Final answer
x = 291,264,716.45
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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.