Finding the Fourth Proportional to 486,464,344.05, 730,860,618.11 and 311,929,331.63
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Solution
The fourth proportional to 486,464,344.05, 730,860,618.11 and 311,929,331.63 is: 468,640,439.75
Step by Step Solution
- Step 1: Write the proportion equation
486,464,344.05 : 730,860,618.11 = 311,929,331.63 : x - Step 2: Convert to fraction form
486,464,344.05/730,860,618.11 = 311,929,331.63/x - Step 3: Cross multiply
486,464,344.05x = 730,860,618.11 × 311,929,331.63 - Step 4: Simplify right side
486,464,344.05x = 227,976,864,116,527,040 - Step 5: Solve for x
x = 227,976,864,116,527,040/486,464,344.05 - Step 6: Final answer
x = 468,640,439.75
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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.