Finding the Fourth Proportional to 353,206,463.12, 487,424,920.84 and 196,610,563.62
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Solution
The fourth proportional to 353,206,463.12, 487,424,920.84 and 196,610,563.62 is: 271,322,578.76
Step by Step Solution
- Step 1: Write the proportion equation
353,206,463.12 : 487,424,920.84 = 196,610,563.62 : x - Step 2: Convert to fraction form
353,206,463.12/487,424,920.84 = 196,610,563.62/x - Step 3: Cross multiply
353,206,463.12x = 487,424,920.84 × 196,610,563.62 - Step 4: Simplify right side
353,206,463.12x = 95,832,888,408,786,288 - Step 5: Solve for x
x = 95,832,888,408,786,288/353,206,463.12 - Step 6: Final answer
x = 271,322,578.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.