Finding the Fourth Proportional to 459,698,736.68, 634,397,654.74 and 250,868,331.14
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Solution
The fourth proportional to 459,698,736.68, 634,397,654.74 and 250,868,331.14 is: 346,205,608.64
Step by Step Solution
- Step 1: Write the proportion equation
459,698,736.68 : 634,397,654.74 = 250,868,331.14 : x - Step 2: Convert to fraction form
459,698,736.68/634,397,654.74 = 250,868,331.14/x - Step 3: Cross multiply
459,698,736.68x = 634,397,654.74 × 250,868,331.14 - Step 4: Simplify right side
459,698,736.68x = 159,150,280,923,753,696 - Step 5: Solve for x
x = 159,150,280,923,753,696/459,698,736.68 - Step 6: Final answer
x = 346,205,608.64
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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.