Finding the Fourth Proportional to 851,124,592.44, 1,277,055,575.84 and 457,191,761.08
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Solution
The fourth proportional to 851,124,592.44, 1,277,055,575.84 and 457,191,761.08 is: 685,985,686.35
Step by Step Solution
- Step 1: Write the proportion equation
851,124,592.44 : 1,277,055,575.84 = 457,191,761.08 : x - Step 2: Convert to fraction form
851,124,592.44/1,277,055,575.84 = 457,191,761.08/x - Step 3: Cross multiply
851,124,592.44x = 1,277,055,575.84 × 457,191,761.08 - Step 4: Simplify right side
851,124,592.44x = 583,859,287,715,323,008 - Step 5: Solve for x
x = 583,859,287,715,323,008/851,124,592.44 - Step 6: Final answer
x = 685,985,686.35
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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.