Finding the Fourth Proportional to 1,037,263,482.09, 1,431,427,917.98 and 560,953,850.94
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Solution
The fourth proportional to 1,037,263,482.09, 1,431,427,917.98 and 560,953,850.94 is: 774,118,646.61
Step by Step Solution
- Step 1: Write the proportion equation
1,037,263,482.09 : 1,431,427,917.98 = 560,953,850.94 : x - Step 2: Convert to fraction form
1,037,263,482.09/1,431,427,917.98 = 560,953,850.94/x - Step 3: Cross multiply
1,037,263,482.09x = 1,431,427,917.98 × 560,953,850.94 - Step 4: Simplify right side
1,037,263,482.09x = 802,965,002,931,102,720 - Step 5: Solve for x
x = 802,965,002,931,102,720/1,037,263,482.09 - Step 6: Final answer
x = 774,118,646.61
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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.