Finding the Fourth Proportional to 1,306,234,105.08, 1,959,464,022.36 and 360,831,861.18
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Solution
The fourth proportional to 1,306,234,105.08, 1,959,464,022.36 and 360,831,861.18 is: 541,278,969.33
Step by Step Solution
- Step 1: Write the proportion equation
1,306,234,105.08 : 1,959,464,022.36 = 360,831,861.18 : x - Step 2: Convert to fraction form
1,306,234,105.08/1,959,464,022.36 = 360,831,861.18/x - Step 3: Cross multiply
1,306,234,105.08x = 1,959,464,022.36 × 360,831,861.18 - Step 4: Simplify right side
1,306,234,105.08x = 707,037,050,103,407,872 - Step 5: Solve for x
x = 707,037,050,103,407,872/1,306,234,105.08 - Step 6: Final answer
x = 541,278,969.33
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1.5x scale
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.