Finding the Fourth Proportional to 375,527,900.97, 518,259,527.19 and 208,318,072.68
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Solution
The fourth proportional to 375,527,900.97, 518,259,527.19 and 208,318,072.68 is: 287,496,150.28
Step by Step Solution
- Step 1: Write the proportion equation
375,527,900.97 : 518,259,527.19 = 208,318,072.68 : x - Step 2: Convert to fraction form
375,527,900.97/518,259,527.19 = 208,318,072.68/x - Step 3: Cross multiply
375,527,900.97x = 518,259,527.19 × 208,318,072.68 - Step 4: Simplify right side
375,527,900.97x = 107,962,825,852,268,864 - Step 5: Solve for x
x = 107,962,825,852,268,864/375,527,900.97 - Step 6: Final answer
x = 287,496,150.28
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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.