Finding the Fourth Proportional to 4,825,419,511.86, 6,659,618,135.31 and 2,921,230,167.66
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Solution
The fourth proportional to 4,825,419,511.86, 6,659,618,135.31 and 2,921,230,167.66 is: 4,031,624,059.66
Step by Step Solution
- Step 1: Write the proportion equation
4,825,419,511.86 : 6,659,618,135.31 = 2,921,230,167.66 : x - Step 2: Convert to fraction form
4,825,419,511.86/6,659,618,135.31 = 2,921,230,167.66/x - Step 3: Cross multiply
4,825,419,511.86x = 6,659,618,135.31 × 2,921,230,167.66 - Step 4: Simplify right side
4,825,419,511.86x = 19,454,277,401,963,208,704 - Step 5: Solve for x
x = 19,454,277,401,963,208,704/4,825,419,511.86 - Step 6: Final answer
x = 4,031,624,059.66
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1.5x scale
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.