Finding the Fourth Proportional to 407,232,023.10, 612,123,493.05 and 399,579,272.70
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Solution
The fourth proportional to 407,232,023.10, 612,123,493.05 and 399,579,272.70 is: 600,620,398.89
Step by Step Solution
- Step 1: Write the proportion equation
407,232,023.10 : 612,123,493.05 = 399,579,272.70 : x - Step 2: Convert to fraction form
407,232,023.10/612,123,493.05 = 399,579,272.70/x - Step 3: Cross multiply
407,232,023.10x = 612,123,493.05 × 399,579,272.70 - Step 4: Simplify right side
407,232,023.10x = 244,591,860,155,502,464 - Step 5: Solve for x
x = 244,591,860,155,502,464/407,232,023.10 - Step 6: Final answer
x = 600,620,398.89
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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.