Finding the Fourth Proportional to 465,378,575.58, 642,260,827.64 and 267,178,318.94
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Solution
The fourth proportional to 465,378,575.58, 642,260,827.64 and 267,178,318.94 is: 368,728,122.13
Step by Step Solution
- Step 1: Write the proportion equation
465,378,575.58 : 642,260,827.64 = 267,178,318.94 : x - Step 2: Convert to fraction form
465,378,575.58/642,260,827.64 = 267,178,318.94/x - Step 3: Cross multiply
465,378,575.58x = 642,260,827.64 × 267,178,318.94 - Step 4: Simplify right side
465,378,575.58x = 171,598,168,252,141,888 - Step 5: Solve for x
x = 171,598,168,252,141,888/465,378,575.58 - Step 6: Final answer
x = 368,728,122.13
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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.