Finding the Fourth Proportional to 629,856,745.20, 944,785,117.80 and 604,347,577.20
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Solution
The fourth proportional to 629,856,745.20, 944,785,117.80 and 604,347,577.20 is: 906,521,365.80
Step by Step Solution
- Step 1: Write the proportion equation
629,856,745.20 : 944,785,117.80 = 604,347,577.20 : x - Step 2: Convert to fraction form
629,856,745.20/944,785,117.80 = 604,347,577.20/x - Step 3: Cross multiply
629,856,745.20x = 944,785,117.80 × 604,347,577.20 - Step 4: Simplify right side
629,856,745.20x = 570,978,596,917,046,592 - Step 5: Solve for x
x = 570,978,596,917,046,592/629,856,745.20 - Step 6: Final answer
x = 906,521,365.80
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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.