Finding the Fourth Proportional to 5,291,399,777.44, 7,302,073,744.52 and 2,912,486,853.28
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Solution
The fourth proportional to 5,291,399,777.44, 7,302,073,744.52 and 2,912,486,853.28 is: 4,019,199,961.66
Step by Step Solution
- Step 1: Write the proportion equation
5,291,399,777.44 : 7,302,073,744.52 = 2,912,486,853.28 : x - Step 2: Convert to fraction form
5,291,399,777.44/7,302,073,744.52 = 2,912,486,853.28/x - Step 3: Cross multiply
5,291,399,777.44x = 7,302,073,744.52 × 2,912,486,853.28 - Step 4: Simplify right side
5,291,399,777.44x = 21,267,193,782,595,563,520 - Step 5: Solve for x
x = 21,267,193,782,595,563,520/5,291,399,777.44 - Step 6: Final answer
x = 4,019,199,961.66
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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.