Finding the Fourth Proportional to 523,297,137.26, 722,117,511.24 and 288,334,649.00
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Solution
The fourth proportional to 523,297,137.26, 722,117,511.24 and 288,334,649.00 is: 397,883,887.21
Step by Step Solution
- Step 1: Write the proportion equation
523,297,137.26 : 722,117,511.24 = 288,334,649.00 : x - Step 2: Convert to fraction form
523,297,137.26/722,117,511.24 = 288,334,649.00/x - Step 3: Cross multiply
523,297,137.26x = 722,117,511.24 × 288,334,649.00 - Step 4: Simplify right side
523,297,137.26x = 208,211,499,140,863,008 - Step 5: Solve for x
x = 208,211,499,140,863,008/523,297,137.26 - Step 6: Final answer
x = 397,883,887.21
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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.