Finding the Fourth Proportional to 585,856,891.80, 878,785,337.70 and 456,561,451.80
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Solution
The fourth proportional to 585,856,891.80, 878,785,337.70 and 456,561,451.80 is: 684,842,177.70
Step by Step Solution
- Step 1: Write the proportion equation
585,856,891.80 : 878,785,337.70 = 456,561,451.80 : x - Step 2: Convert to fraction form
585,856,891.80/878,785,337.70 = 456,561,451.80/x - Step 3: Cross multiply
585,856,891.80x = 878,785,337.70 × 456,561,451.80 - Step 4: Simplify right side
585,856,891.80x = 401,219,509,600,865,280 - Step 5: Solve for x
x = 401,219,509,600,865,280/585,856,891.80 - Step 6: Final answer
x = 684,842,177.70
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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.