Finding the Fourth Proportional to 627,660,400.90, 941,490,601.35 and 196,838,205.70
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Solution
The fourth proportional to 627,660,400.90, 941,490,601.35 and 196,838,205.70 is: 295,257,308.55
Step by Step Solution
- Step 1: Write the proportion equation
627,660,400.90 : 941,490,601.35 = 196,838,205.70 : x - Step 2: Convert to fraction form
627,660,400.90/941,490,601.35 = 196,838,205.70/x - Step 3: Cross multiply
627,660,400.90x = 941,490,601.35 × 196,838,205.70 - Step 4: Simplify right side
627,660,400.90x = 185,321,320,653,148,000 - Step 5: Solve for x
x = 185,321,320,653,148,000/627,660,400.90 - Step 6: Final answer
x = 295,257,308.55
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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.