Finding the Fourth Proportional to 888,798,366.52, 1,226,541,640.72 and 531,566,088.02
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Solution
The fourth proportional to 888,798,366.52, 1,226,541,640.72 and 531,566,088.02 is: 733,561,138.62
Step by Step Solution
- Step 1: Write the proportion equation
888,798,366.52 : 1,226,541,640.72 = 531,566,088.02 : x - Step 2: Convert to fraction form
888,798,366.52/1,226,541,640.72 = 531,566,088.02/x - Step 3: Cross multiply
888,798,366.52x = 1,226,541,640.72 × 531,566,088.02 - Step 4: Simplify right side
888,798,366.52x = 651,987,941,751,162,752 - Step 5: Solve for x
x = 651,987,941,751,162,752/888,798,366.52 - Step 6: Final answer
x = 733,561,138.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.