Finding the Fourth Proportional to 3,793,036,893.60, 5,234,277,278.08 and 2,099,560,953.32
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Solution
The fourth proportional to 3,793,036,893.60, 5,234,277,278.08 and 2,099,560,953.32 is: 2,897,331,215.11
Step by Step Solution
- Step 1: Write the proportion equation
3,793,036,893.60 : 5,234,277,278.08 = 2,099,560,953.32 : x - Step 2: Convert to fraction form
3,793,036,893.60/5,234,277,278.08 = 2,099,560,953.32/x - Step 3: Cross multiply
3,793,036,893.60x = 5,234,277,278.08 × 2,099,560,953.32 - Step 4: Simplify right side
3,793,036,893.60x = 10,989,684,191,906,859,008 - Step 5: Solve for x
x = 10,989,684,191,906,859,008/3,793,036,893.60 - Step 6: Final answer
x = 2,897,331,215.11
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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.