Finding the Fourth Proportional to 5,120,860,600.20, 7,681,503,476.70 and 1,627,167,466.20
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Solution
The fourth proportional to 5,120,860,600.20, 7,681,503,476.70 and 1,627,167,466.20 is: 2,440,818,746.03
Step by Step Solution
- Step 1: Write the proportion equation
5,120,860,600.20 : 7,681,503,476.70 = 1,627,167,466.20 : x - Step 2: Convert to fraction form
5,120,860,600.20/7,681,503,476.70 = 1,627,167,466.20/x - Step 3: Cross multiply
5,120,860,600.20x = 7,681,503,476.70 × 1,627,167,466.20 - Step 4: Simplify right side
5,120,860,600.20x = 12,499,092,548,788,428,800 - Step 5: Solve for x
x = 12,499,092,548,788,428,800/5,120,860,600.20 - Step 6: Final answer
x = 2,440,818,746.03
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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.