Finding the Fourth Proportional to 1,831,472,490.88, 2,748,338,715.76 and 848,715,850.46
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Solution
The fourth proportional to 1,831,472,490.88, 2,748,338,715.76 and 848,715,850.46 is: 1,273,597,415.26
Step by Step Solution
- Step 1: Write the proportion equation
1,831,472,490.88 : 2,748,338,715.76 = 848,715,850.46 : x - Step 2: Convert to fraction form
1,831,472,490.88/2,748,338,715.76 = 848,715,850.46/x - Step 3: Cross multiply
1,831,472,490.88x = 2,748,338,715.76 × 848,715,850.46 - Step 4: Simplify right side
1,831,472,490.88x = 2,332,558,630,498,393,088 - Step 5: Solve for x
x = 2,332,558,630,498,393,088/1,831,472,490.88 - Step 6: Final answer
x = 1,273,597,415.26
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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.