Finding the Fourth Proportional to 5,552,447,438.41, 8,328,377,826.78 and 1,821,247,342.81
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Solution
The fourth proportional to 5,552,447,438.41, 8,328,377,826.78 and 1,821,247,342.81 is: 2,731,774,799.35
Step by Step Solution
- Step 1: Write the proportion equation
5,552,447,438.41 : 8,328,377,826.78 = 1,821,247,342.81 : x - Step 2: Convert to fraction form
5,552,447,438.41/8,328,377,826.78 = 1,821,247,342.81/x - Step 3: Cross multiply
5,552,447,438.41x = 8,328,377,826.78 × 1,821,247,342.81 - Step 4: Simplify right side
5,552,447,438.41x = 15,168,035,986,940,796,928 - Step 5: Solve for x
x = 15,168,035,986,940,796,928/5,552,447,438.41 - Step 6: Final answer
x = 2,731,774,799.35
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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.