Finding the Fourth Proportional to 308,871,006.48, 464,976,346.17 and 281,381,593.41
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Solution
The fourth proportional to 308,871,006.48, 464,976,346.17 and 281,381,593.41 is: 423,593,611.70
Step by Step Solution
- Step 1: Write the proportion equation
308,871,006.48 : 464,976,346.17 = 281,381,593.41 : x - Step 2: Convert to fraction form
308,871,006.48/464,976,346.17 = 281,381,593.41/x - Step 3: Cross multiply
308,871,006.48x = 464,976,346.17 × 281,381,593.41 - Step 4: Simplify right side
308,871,006.48x = 130,835,785,183,274,368 - Step 5: Solve for x
x = 130,835,785,183,274,368/308,871,006.48 - Step 6: Final answer
x = 423,593,611.70
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.