Finding the Fourth Proportional to 522,082,875,093.19, 720,474,402,274.89 and 290,591,426,438.21
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Solution
The fourth proportional to 522,082,875,093.19, 720,474,402,274.89 and 290,591,426,438.21 is: 401,016,187,768.86
Step by Step Solution
- Step 1: Write the proportion equation
522,082,875,093.19 : 720,474,402,274.89 = 290,591,426,438.21 : x - Step 2: Convert to fraction form
522,082,875,093.19/720,474,402,274.89 = 290,591,426,438.21/x - Step 3: Cross multiply
522,082,875,093.19x = 720,474,402,274.89 × 290,591,426,438.21 - Step 4: Simplify right side
522,082,875,093.19x = 209,363,684,269,277,038,247,936 - Step 5: Solve for x
x = 209,363,684,269,277,038,247,936/522,082,875,093.19 - Step 6: Final answer
x = 401,016,187,768.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.