Finding the Fourth Proportional to 449,363,743.62, 620,068,259.34 and 248,393,469.93
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Solution
The fourth proportional to 449,363,743.62, 620,068,259.34 and 248,393,469.93 is: 342,753,301.12
Step by Step Solution
- Step 1: Write the proportion equation
449,363,743.62 : 620,068,259.34 = 248,393,469.93 : x - Step 2: Convert to fraction form
449,363,743.62/620,068,259.34 = 248,393,469.93/x - Step 3: Cross multiply
449,363,743.62x = 620,068,259.34 × 248,393,469.93 - Step 4: Simplify right side
449,363,743.62x = 154,020,906,530,917,760 - Step 5: Solve for x
x = 154,020,906,530,917,760/449,363,743.62 - Step 6: Final answer
x = 342,753,301.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.