Finding the Fourth Proportional to 874,502,613.26, 1,311,753,919.98 and 292,236,858.81
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Solution
The fourth proportional to 874,502,613.26, 1,311,753,919.98 and 292,236,858.81 is: 438,355,288.25
Step by Step Solution
- Step 1: Write the proportion equation
874,502,613.26 : 1,311,753,919.98 = 292,236,858.81 : x - Step 2: Convert to fraction form
874,502,613.26/1,311,753,919.98 = 292,236,858.81/x - Step 3: Cross multiply
874,502,613.26x = 1,311,753,919.98 × 292,236,858.81 - Step 4: Simplify right side
874,502,613.26x = 383,342,845,106,659,328 - Step 5: Solve for x
x = 383,342,845,106,659,328/874,502,613.26 - Step 6: Final answer
x = 438,355,288.25
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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.