Finding the Fourth Proportional to 221,994,349,354.22, 306,344,275,657.84 and 125,648,367,241.52
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Solution
The fourth proportional to 221,994,349,354.22, 306,344,275,657.84 and 125,648,367,241.52 is: 173,390,260,437.56
Step by Step Solution
- Step 1: Write the proportion equation
221,994,349,354.22 : 306,344,275,657.84 = 125,648,367,241.52 : x - Step 2: Convert to fraction form
221,994,349,354.22/306,344,275,657.84 = 125,648,367,241.52/x - Step 3: Cross multiply
221,994,349,354.22x = 306,344,275,657.84 × 125,648,367,241.52 - Step 4: Simplify right side
221,994,349,354.22x = 38,491,658,050,193,718,247,424 - Step 5: Solve for x
x = 38,491,658,050,193,718,247,424/221,994,349,354.22 - Step 6: Final answer
x = 173,390,260,437.56
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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.