Finding the Fourth Proportional to 367,456,961.20, 551,185,441.80 and 344,782,145.20
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Solution
The fourth proportional to 367,456,961.20, 551,185,441.80 and 344,782,145.20 is: 517,173,217.80
Step by Step Solution
- Step 1: Write the proportion equation
367,456,961.20 : 551,185,441.80 = 344,782,145.20 : x - Step 2: Convert to fraction form
367,456,961.20/551,185,441.80 = 344,782,145.20/x - Step 3: Cross multiply
367,456,961.20x = 551,185,441.80 × 344,782,145.20 - Step 4: Simplify right side
367,456,961.20x = 190,038,899,026,813,728 - Step 5: Solve for x
x = 190,038,899,026,813,728/367,456,961.20 - Step 6: Final answer
x = 517,173,217.80
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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.