Finding the Fourth Proportional to 5,434,866,542.40, 8,141,645,733.12 and 2,816,388,305.28
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Solution
The fourth proportional to 5,434,866,542.40, 8,141,645,733.12 and 2,816,388,305.28 is: 4,219,061,434.09
Step by Step Solution
- Step 1: Write the proportion equation
5,434,866,542.40 : 8,141,645,733.12 = 2,816,388,305.28 : x - Step 2: Convert to fraction form
5,434,866,542.40/8,141,645,733.12 = 2,816,388,305.28/x - Step 3: Cross multiply
5,434,866,542.40x = 8,141,645,733.12 × 2,816,388,305.28 - Step 4: Simplify right side
5,434,866,542.40x = 22,930,035,828,491,980,800 - Step 5: Solve for x
x = 22,930,035,828,491,980,800/5,434,866,542.40 - Step 6: Final answer
x = 4,219,061,434.09
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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.