Finding the Fourth Proportional to 5,291,399,557.60, 7,302,073,442.16 and 2,912,486,633.44
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Solution
The fourth proportional to 5,291,399,557.60, 7,302,073,442.16 and 2,912,486,633.44 is: 4,019,199,658.84
Step by Step Solution
- Step 1: Write the proportion equation
5,291,399,557.60 : 7,302,073,442.16 = 2,912,486,633.44 : x - Step 2: Convert to fraction form
5,291,399,557.60/7,302,073,442.16 = 2,912,486,633.44/x - Step 3: Cross multiply
5,291,399,557.60x = 7,302,073,442.16 × 2,912,486,633.44 - Step 4: Simplify right side
5,291,399,557.60x = 21,267,191,296,688,209,920 - Step 5: Solve for x
x = 21,267,191,296,688,209,920/5,291,399,557.60 - Step 6: Final answer
x = 4,019,199,658.84
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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.