Finding the Fourth Proportional to 299,548,887.60, 449,323,331.40 and 251,175,946.80
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Solution
The fourth proportional to 299,548,887.60, 449,323,331.40 and 251,175,946.80 is: 376,763,920.20
Step by Step Solution
- Step 1: Write the proportion equation
299,548,887.60 : 449,323,331.40 = 251,175,946.80 : x - Step 2: Convert to fraction form
299,548,887.60/449,323,331.40 = 251,175,946.80/x - Step 3: Cross multiply
299,548,887.60x = 449,323,331.40 × 251,175,946.80 - Step 4: Simplify right side
299,548,887.60x = 112,859,213,183,725,168 - Step 5: Solve for x
x = 112,859,213,183,725,168/299,548,887.60 - Step 6: Final answer
x = 376,763,920.20
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1.5x scale
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.