Finding the Fourth Proportional to 3,278,943,516.34, 4,918,411,419.72 and 1,068,149,612.44
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Solution
The fourth proportional to 3,278,943,516.34, 4,918,411,419.72 and 1,068,149,612.44 is: 1,602,223,162.92
Step by Step Solution
- Step 1: Write the proportion equation
3,278,943,516.34 : 4,918,411,419.72 = 1,068,149,612.44 : x - Step 2: Convert to fraction form
3,278,943,516.34/4,918,411,419.72 = 1,068,149,612.44/x - Step 3: Cross multiply
3,278,943,516.34x = 4,918,411,419.72 × 1,068,149,612.44 - Step 4: Simplify right side
3,278,943,516.34x = 5,253,599,251,794,388,992 - Step 5: Solve for x
x = 5,253,599,251,794,388,992/3,278,943,516.34 - Step 6: Final answer
x = 1,602,223,162.92
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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.