Finding the Fourth Proportional to 5,120,860,711.20, 7,681,503,643.20 and 1,627,167,577.20
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Solution
The fourth proportional to 5,120,860,711.20, 7,681,503,643.20 and 1,627,167,577.20 is: 2,440,818,912.54
Step by Step Solution
- Step 1: Write the proportion equation
5,120,860,711.20 : 7,681,503,643.20 = 1,627,167,577.20 : x - Step 2: Convert to fraction form
5,120,860,711.20/7,681,503,643.20 = 1,627,167,577.20/x - Step 3: Cross multiply
5,120,860,711.20x = 7,681,503,643.20 × 1,627,167,577.20 - Step 4: Simplify right side
5,120,860,711.20x = 12,499,093,672,358,717,440 - Step 5: Solve for x
x = 12,499,093,672,358,717,440/5,120,860,711.20 - Step 6: Final answer
x = 2,440,818,912.54
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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.