Finding the Fourth Proportional to 352,966,277.18, 529,514,046.70 and 145,591,558.99
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Solution
The fourth proportional to 352,966,277.18, 529,514,046.70 and 145,591,558.99 is: 218,413,997.45
Step by Step Solution
- Step 1: Write the proportion equation
352,966,277.18 : 529,514,046.70 = 145,591,558.99 : x - Step 2: Convert to fraction form
352,966,277.18/529,514,046.70 = 145,591,558.99/x - Step 3: Cross multiply
352,966,277.18x = 529,514,046.70 × 145,591,558.99 - Step 4: Simplify right side
352,966,277.18x = 77,092,775,564,468,912 - Step 5: Solve for x
x = 77,092,775,564,468,912/352,966,277.18 - Step 6: Final answer
x = 218,413,997.45
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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.