Finding the Fourth Proportional to 486,464,354.67, 730,860,634.29 and 311,929,342.23
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Solution
The fourth proportional to 486,464,354.67, 730,860,634.29 and 311,929,342.23 is: 468,640,455.83
Step by Step Solution
- Step 1: Write the proportion equation
486,464,354.67 : 730,860,634.29 = 311,929,342.23 : x - Step 2: Convert to fraction form
486,464,354.67/730,860,634.29 = 311,929,342.23/x - Step 3: Cross multiply
486,464,354.67x = 730,860,634.29 × 311,929,342.23 - Step 4: Simplify right side
486,464,354.67x = 227,976,876,919,786,528 - Step 5: Solve for x
x = 227,976,876,919,786,528/486,464,354.67 - Step 6: Final answer
x = 468,640,455.83
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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.