Finding the Fourth Proportional to 2,527,421,861.53, 3,791,649,858.56 and 869,113,781.34
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Solution
The fourth proportional to 2,527,421,861.53, 3,791,649,858.56 and 869,113,781.34 is: 1,303,848,477.48
Step by Step Solution
- Step 1: Write the proportion equation
2,527,421,861.53 : 3,791,649,858.56 = 869,113,781.34 : x - Step 2: Convert to fraction form
2,527,421,861.53/3,791,649,858.56 = 869,113,781.34/x - Step 3: Cross multiply
2,527,421,861.53x = 3,791,649,858.56 × 869,113,781.34 - Step 4: Simplify right side
2,527,421,861.53x = 3,295,375,146,104,816,128 - Step 5: Solve for x
x = 3,295,375,146,104,816,128/2,527,421,861.53 - Step 6: Final answer
x = 1,303,848,477.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.