Finding the Fourth Proportional to 651,994,286.81, 899,670,369.92 and 440,760,734.87
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Solution
The fourth proportional to 651,994,286.81, 899,670,369.92 and 440,760,734.87 is: 608,194,552.32
Step by Step Solution
- Step 1: Write the proportion equation
651,994,286.81 : 899,670,369.92 = 440,760,734.87 : x - Step 2: Convert to fraction form
651,994,286.81/899,670,369.92 = 440,760,734.87/x - Step 3: Cross multiply
651,994,286.81x = 899,670,369.92 × 440,760,734.87 - Step 4: Simplify right side
651,994,286.81x = 396,539,373,380,001,792 - Step 5: Solve for x
x = 396,539,373,380,001,792/651,994,286.81 - Step 6: Final answer
x = 608,194,552.32
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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.