Finding the Fourth Proportional to 1,529,375,310,805.60, 2,110,527,192,361.60 and 834,915,868,582.60
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Solution
The fourth proportional to 1,529,375,310,805.60, 2,110,527,192,361.60 and 834,915,868,582.60 is: 1,152,178,037,351.46
Step by Step Solution
- Step 1: Write the proportion equation
1,529,375,310,805.60 : 2,110,527,192,361.60 = 834,915,868,582.60 : x - Step 2: Convert to fraction form
1,529,375,310,805.60/2,110,527,192,361.60 = 834,915,868,582.60/x - Step 3: Cross multiply
1,529,375,310,805.60x = 2,110,527,192,361.60 × 834,915,868,582.60 - Step 4: Simplify right side
1,529,375,310,805.60x = 1,762,112,643,977,781,457,190,912 - Step 5: Solve for x
x = 1,762,112,643,977,781,457,190,912/1,529,375,310,805.60 - Step 6: Final answer
x = 1,152,178,037,351.46
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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.