Finding the Fourth Proportional to 3,191,246,125.21, 4,403,873,682.50 and 1,762,377,691.48
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Solution
The fourth proportional to 3,191,246,125.21, 4,403,873,682.50 and 1,762,377,691.48 is: 2,432,055,826.97
Step by Step Solution
- Step 1: Write the proportion equation
3,191,246,125.21 : 4,403,873,682.50 = 1,762,377,691.48 : x - Step 2: Convert to fraction form
3,191,246,125.21/4,403,873,682.50 = 1,762,377,691.48/x - Step 3: Cross multiply
3,191,246,125.21x = 4,403,873,682.50 × 1,762,377,691.48 - Step 4: Simplify right side
3,191,246,125.21x = 7,761,288,734,114,054,144 - Step 5: Solve for x
x = 7,761,288,734,114,054,144/3,191,246,125.21 - Step 6: Final answer
x = 2,432,055,826.97
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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.