Finding the Fourth Proportional to 2,834,374,219.80, 4,251,561,329.70 and 764,305,236.60
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Solution
The fourth proportional to 2,834,374,219.80, 4,251,561,329.70 and 764,305,236.60 is: 1,146,457,854.90
Step by Step Solution
- Step 1: Write the proportion equation
2,834,374,219.80 : 4,251,561,329.70 = 764,305,236.60 : x - Step 2: Convert to fraction form
2,834,374,219.80/4,251,561,329.70 = 764,305,236.60/x - Step 3: Cross multiply
2,834,374,219.80x = 4,251,561,329.70 × 764,305,236.60 - Step 4: Simplify right side
2,834,374,219.80x = 3,249,490,588,015,769,088 - Step 5: Solve for x
x = 3,249,490,588,015,769,088/2,834,374,219.80 - Step 6: Final answer
x = 1,146,457,854.90
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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.