Finding the Fourth Proportional to 272,272,345,268.40, 408,337,232,916.24 and 80,992,845,931.68
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Solution
The fourth proportional to 272,272,345,268.40, 408,337,232,916.24 and 80,992,845,931.68 is: 121,468,063,754.88
Step by Step Solution
- Step 1: Write the proportion equation
272,272,345,268.40 : 408,337,232,916.24 = 80,992,845,931.68 : x - Step 2: Convert to fraction form
272,272,345,268.40/408,337,232,916.24 = 80,992,845,931.68/x - Step 3: Cross multiply
272,272,345,268.40x = 408,337,232,916.24 × 80,992,845,931.68 - Step 4: Simplify right side
272,272,345,268.40x = 33,072,394,593,753,555,271,680 - Step 5: Solve for x
x = 33,072,394,593,753,555,271,680/272,272,345,268.40 - Step 6: Final answer
x = 121,468,063,754.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.