Finding the Fourth Proportional to 856,784,928.99, 1,285,265,451.84 and 296,545,841.40
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Solution
The fourth proportional to 856,784,928.99, 1,285,265,451.84 and 296,545,841.40 is: 444,849,240.39
Step by Step Solution
- Step 1: Write the proportion equation
856,784,928.99 : 1,285,265,451.84 = 296,545,841.40 : x - Step 2: Convert to fraction form
856,784,928.99/1,285,265,451.84 = 296,545,841.40/x - Step 3: Cross multiply
856,784,928.99x = 1,285,265,451.84 × 296,545,841.40 - Step 4: Simplify right side
856,784,928.99x = 381,140,124,839,989,888 - Step 5: Solve for x
x = 381,140,124,839,989,888/856,784,928.99 - Step 6: Final answer
x = 444,849,240.39
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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.