Finding the Fourth Proportional to 252,461,823.80, 378,471,551.70 and 171,420,006.20
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Solution
The fourth proportional to 252,461,823.80, 378,471,551.70 and 171,420,006.20 is: 256,979,826.74
Step by Step Solution
- Step 1: Write the proportion equation
252,461,823.80 : 378,471,551.70 = 171,420,006.20 : x - Step 2: Convert to fraction form
252,461,823.80/378,471,551.70 = 171,420,006.20/x - Step 3: Cross multiply
252,461,823.80x = 378,471,551.70 × 171,420,006.20 - Step 4: Simplify right side
252,461,823.80x = 64,877,595,738,937,616 - Step 5: Solve for x
x = 64,877,595,738,937,616/252,461,823.80 - Step 6: Final answer
x = 256,979,826.74
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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.