Finding the Fourth Proportional to 1,551,614,394.30, 2,141,273,216.79 and 846,811,609.62
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Solution
The fourth proportional to 1,551,614,394.30, 2,141,273,216.79 and 846,811,609.62 is: 1,168,624,773.02
Step by Step Solution
- Step 1: Write the proportion equation
1,551,614,394.30 : 2,141,273,216.79 = 846,811,609.62 : x - Step 2: Convert to fraction form
1,551,614,394.30/2,141,273,216.79 = 846,811,609.62/x - Step 3: Cross multiply
1,551,614,394.30x = 2,141,273,216.79 × 846,811,609.62 - Step 4: Simplify right side
1,551,614,394.30x = 1,813,255,019,346,135,040 - Step 5: Solve for x
x = 1,813,255,019,346,135,040/1,551,614,394.30 - Step 6: Final answer
x = 1,168,624,773.02
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1.5x scale
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.