Finding the Fourth Proportional to 4,476,996,966.40, 6,715,495,449.60 and 1,412,979,251.20
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Solution
The fourth proportional to 4,476,996,966.40, 6,715,495,449.60 and 1,412,979,251.20 is: 2,119,468,876.80
Step by Step Solution
- Step 1: Write the proportion equation
4,476,996,966.40 : 6,715,495,449.60 = 1,412,979,251.20 : x - Step 2: Convert to fraction form
4,476,996,966.40/6,715,495,449.60 = 1,412,979,251.20/x - Step 3: Cross multiply
4,476,996,966.40x = 6,715,495,449.60 × 1,412,979,251.20 - Step 4: Simplify right side
4,476,996,966.40x = 9,488,855,731,812,816,896 - Step 5: Solve for x
x = 9,488,855,731,812,816,896/4,476,996,966.40 - Step 6: Final answer
x = 2,119,468,876.80
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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.