Finding the Fourth Proportional to 2,527,421,868.94, 3,791,649,869.68 and 869,113,788.76
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Solution
The fourth proportional to 2,527,421,868.94, 3,791,649,869.68 and 869,113,788.76 is: 1,303,848,488.60
Step by Step Solution
- Step 1: Write the proportion equation
2,527,421,868.94 : 3,791,649,869.68 = 869,113,788.76 : x - Step 2: Convert to fraction form
2,527,421,868.94/3,791,649,869.68 = 869,113,788.76/x - Step 3: Cross multiply
2,527,421,868.94x = 3,791,649,869.68 × 869,113,788.76 - Step 4: Simplify right side
2,527,421,868.94x = 3,295,375,183,877,293,056 - Step 5: Solve for x
x = 3,295,375,183,877,293,056/2,527,421,868.94 - Step 6: Final answer
x = 1,303,848,488.60
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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.