Finding the Fourth Proportional to 586,374,570.51, 878,222,286.68 and 279,881,916.99
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Solution
The fourth proportional to 586,374,570.51, 878,222,286.68 and 279,881,916.99 is: 419,183,486.97
Step by Step Solution
- Step 1: Write the proportion equation
586,374,570.51 : 878,222,286.68 = 279,881,916.99 : x - Step 2: Convert to fraction form
586,374,570.51/878,222,286.68 = 279,881,916.99/x - Step 3: Cross multiply
586,374,570.51x = 878,222,286.68 × 279,881,916.99 - Step 4: Simplify right side
586,374,570.51x = 245,798,537,137,940,320 - Step 5: Solve for x
x = 245,798,537,137,940,320/586,374,570.51 - Step 6: Final answer
x = 419,183,486.97
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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.