Finding the Fourth Proportional to 2,285,857,651.64, 3,429,127,190.18 and 811,873,626.80
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Solution
The fourth proportional to 2,285,857,651.64, 3,429,127,190.18 and 811,873,626.80 is: 1,217,931,451.96
Step by Step Solution
- Step 1: Write the proportion equation
2,285,857,651.64 : 3,429,127,190.18 = 811,873,626.80 : x - Step 2: Convert to fraction form
2,285,857,651.64/3,429,127,190.18 = 811,873,626.80/x - Step 3: Cross multiply
2,285,857,651.64x = 3,429,127,190.18 × 811,873,626.80 - Step 4: Simplify right side
2,285,857,651.64x = 2,784,017,928,634,813,952 - Step 5: Solve for x
x = 2,784,017,928,634,813,952/2,285,857,651.64 - Step 6: Final answer
x = 1,217,931,451.96
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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.