Finding the Fourth Proportional to 7,788,359,920.70, 11,682,539,881.05 and 2,267,798,051.90
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Solution
The fourth proportional to 7,788,359,920.70, 11,682,539,881.05 and 2,267,798,051.90 is: 3,401,697,077.85
Step by Step Solution
- Step 1: Write the proportion equation
7,788,359,920.70 : 11,682,539,881.05 = 2,267,798,051.90 : x - Step 2: Convert to fraction form
7,788,359,920.70/11,682,539,881.05 = 2,267,798,051.90/x - Step 3: Cross multiply
7,788,359,920.70x = 11,682,539,881.05 × 2,267,798,051.90 - Step 4: Simplify right side
7,788,359,920.70x = 26,493,641,183,489,245,184 - Step 5: Solve for x
x = 26,493,641,183,489,245,184/7,788,359,920.70 - Step 6: Final answer
x = 3,401,697,077.85
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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.