Finding the Fourth Proportional to 1,891,296,073.20, 2,836,944,109.80 and 1,165,701,961.20
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Solution
The fourth proportional to 1,891,296,073.20, 2,836,944,109.80 and 1,165,701,961.20 is: 1,748,552,941.80
Step by Step Solution
- Step 1: Write the proportion equation
1,891,296,073.20 : 2,836,944,109.80 = 1,165,701,961.20 : x - Step 2: Convert to fraction form
1,891,296,073.20/2,836,944,109.80 = 1,165,701,961.20/x - Step 3: Cross multiply
1,891,296,073.20x = 2,836,944,109.80 × 1,165,701,961.20 - Step 4: Simplify right side
1,891,296,073.20x = 3,307,031,312,608,648,704 - Step 5: Solve for x
x = 3,307,031,312,608,648,704/1,891,296,073.20 - Step 6: Final answer
x = 1,748,552,941.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.