Finding the Fourth Proportional to 459,498,439.98, 634,107,078.39 and 250,654,582.62
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Solution
The fourth proportional to 459,498,439.98, 634,107,078.39 and 250,654,582.62 is: 345,902,904.65
Step by Step Solution
- Step 1: Write the proportion equation
459,498,439.98 : 634,107,078.39 = 250,654,582.62 : x - Step 2: Convert to fraction form
459,498,439.98/634,107,078.39 = 250,654,582.62/x - Step 3: Cross multiply
459,498,439.98x = 634,107,078.39 × 250,654,582.62 - Step 4: Simplify right side
459,498,439.98x = 158,941,845,070,233,056 - Step 5: Solve for x
x = 158,941,845,070,233,056/459,498,439.98 - Step 6: Final answer
x = 345,902,904.65
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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.