Finding the Fourth Proportional to 874,502,608.26, 1,311,753,912.48 and 292,236,853.81
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Solution
The fourth proportional to 874,502,608.26, 1,311,753,912.48 and 292,236,853.81 is: 438,355,280.75
Step by Step Solution
- Step 1: Write the proportion equation
874,502,608.26 : 1,311,753,912.48 = 292,236,853.81 : x - Step 2: Convert to fraction form
874,502,608.26/1,311,753,912.48 = 292,236,853.81/x - Step 3: Cross multiply
874,502,608.26x = 1,311,753,912.48 × 292,236,853.81 - Step 4: Simplify right side
874,502,608.26x = 383,342,836,356,113,280 - Step 5: Solve for x
x = 383,342,836,356,113,280/874,502,608.26 - Step 6: Final answer
x = 438,355,280.75
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1.5x scale
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.