Finding the Fourth Proportional to 7,920,681,161.18, 11,881,023,943.34 and 2,945,753,003.84
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Solution
The fourth proportional to 7,920,681,161.18, 11,881,023,943.34 and 2,945,753,003.84 is: 4,418,630,324.53
Step by Step Solution
- Step 1: Write the proportion equation
7,920,681,161.18 : 11,881,023,943.34 = 2,945,753,003.84 : x - Step 2: Convert to fraction form
7,920,681,161.18/11,881,023,943.34 = 2,945,753,003.84/x - Step 3: Cross multiply
7,920,681,161.18x = 11,881,023,943.34 × 2,945,753,003.84 - Step 4: Simplify right side
7,920,681,161.18x = 34,998,561,969,738,199,040 - Step 5: Solve for x
x = 34,998,561,969,738,199,040/7,920,681,161.18 - Step 6: Final answer
x = 4,418,630,324.53
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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.