Finding the Fourth Proportional to 2,868,598,915.04, 3,958,626,263 and 1,598,493,431.12
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Solution
The fourth proportional to 2,868,598,915.04, 3,958,626,263 and 1,598,493,431.12 is: 2,205,898,511.81
Step by Step Solution
- Step 1: Write the proportion equation
2,868,598,915.04 : 3,958,626,263 = 1,598,493,431.12 : x - Step 2: Convert to fraction form
2,868,598,915.04/3,958,626,263 = 1,598,493,431.12/x - Step 3: Cross multiply
2,868,598,915.04x = 3,958,626,263 × 1,598,493,431.12 - Step 4: Simplify right side
2,868,598,915.04x = 6,327,838,077,664,613,376 - Step 5: Solve for x
x = 6,327,838,077,664,613,376/2,868,598,915.04 - Step 6: Final answer
x = 2,205,898,511.81
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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.