Finding the Fourth Proportional to 252,218,512.48, 378,339,043.92 and 77,328,963.04
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Solution
The fourth proportional to 252,218,512.48, 378,339,043.92 and 77,328,963.04 is: 115,996,901.48
Step by Step Solution
- Step 1: Write the proportion equation
252,218,512.48 : 378,339,043.92 = 77,328,963.04 : x - Step 2: Convert to fraction form
252,218,512.48/378,339,043.92 = 77,328,963.04/x - Step 3: Cross multiply
252,218,512.48x = 378,339,043.92 × 77,328,963.04 - Step 4: Simplify right side
252,218,512.48x = 29,256,565,943,878,620 - Step 5: Solve for x
x = 29,256,565,943,878,620/252,218,512.48 - Step 6: Final answer
x = 115,996,901.48
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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.