Finding the Fourth Proportional to 372,093,490.99, 513,495,548.58 and 202,552,604.83
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Solution
The fourth proportional to 372,093,490.99, 513,495,548.58 and 202,552,604.83 is: 279,526,149.88
Step by Step Solution
- Step 1: Write the proportion equation
372,093,490.99 : 513,495,548.58 = 202,552,604.83 : x - Step 2: Convert to fraction form
372,093,490.99/513,495,548.58 = 202,552,604.83/x - Step 3: Cross multiply
372,093,490.99x = 513,495,548.58 × 202,552,604.83 - Step 4: Simplify right side
372,093,490.99x = 104,009,860,933,488,816 - Step 5: Solve for x
x = 104,009,860,933,488,816/372,093,490.99 - Step 6: Final answer
x = 279,526,149.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.