Finding the Fourth Proportional to 4,001,569,813.68, 5,522,198,766.30 and 2,217,453,068.22
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Solution
The fourth proportional to 4,001,569,813.68, 5,522,198,766.30 and 2,217,453,068.22 is: 3,060,103,201.45
Step by Step Solution
- Step 1: Write the proportion equation
4,001,569,813.68 : 5,522,198,766.30 = 2,217,453,068.22 : x - Step 2: Convert to fraction form
4,001,569,813.68/5,522,198,766.30 = 2,217,453,068.22/x - Step 3: Cross multiply
4,001,569,813.68x = 5,522,198,766.30 × 2,217,453,068.22 - Step 4: Simplify right side
4,001,569,813.68x = 12,245,216,597,652,633,600 - Step 5: Solve for x
x = 12,245,216,597,652,633,600/4,001,569,813.68 - Step 6: Final answer
x = 3,060,103,201.45
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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.