Finding the Fourth Proportional to 2,278,051,364.02, 3,143,687,720.99 and 1,260,778,775.44
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Solution
The fourth proportional to 2,278,051,364.02, 3,143,687,720.99 and 1,260,778,775.44 is: 1,739,861,891.54
Step by Step Solution
- Step 1: Write the proportion equation
2,278,051,364.02 : 3,143,687,720.99 = 1,260,778,775.44 : x - Step 2: Convert to fraction form
2,278,051,364.02/3,143,687,720.99 = 1,260,778,775.44/x - Step 3: Cross multiply
2,278,051,364.02x = 3,143,687,720.99 × 1,260,778,775.44 - Step 4: Simplify right side
2,278,051,364.02x = 3,963,494,755,235,536,384 - Step 5: Solve for x
x = 3,963,494,755,235,536,384/2,278,051,364.02 - Step 6: Final answer
x = 1,739,861,891.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.