Finding the Fourth Proportional to 1,468,203,425.90, 2,202,305,138.85 and 887,728,136.30
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Solution
The fourth proportional to 1,468,203,425.90, 2,202,305,138.85 and 887,728,136.30 is: 1,331,592,204.45
Step by Step Solution
- Step 1: Write the proportion equation
1,468,203,425.90 : 2,202,305,138.85 = 887,728,136.30 : x - Step 2: Convert to fraction form
1,468,203,425.90/2,202,305,138.85 = 887,728,136.30/x - Step 3: Cross multiply
1,468,203,425.90x = 2,202,305,138.85 × 887,728,136.30 - Step 4: Simplify right side
1,468,203,425.90x = 1,955,048,236,475,223,040 - Step 5: Solve for x
x = 1,955,048,236,475,223,040/1,468,203,425.90 - Step 6: Final answer
x = 1,331,592,204.45
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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.