Finding the Fourth Proportional to 798,178,508.62, 1,093,486,372.26 and 768,335,896.03
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Solution
The fourth proportional to 798,178,508.62, 1,093,486,372.26 and 768,335,896.03 is: 1,052,602,672.90
Step by Step Solution
- Step 1: Write the proportion equation
798,178,508.62 : 1,093,486,372.26 = 768,335,896.03 : x - Step 2: Convert to fraction form
798,178,508.62/1,093,486,372.26 = 768,335,896.03/x - Step 3: Cross multiply
798,178,508.62x = 1,093,486,372.26 × 768,335,896.03 - Step 4: Simplify right side
798,178,508.62x = 840,164,831,626,981,248 - Step 5: Solve for x
x = 840,164,831,626,981,248/798,178,508.62 - Step 6: Final answer
x = 1,052,602,672.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.