Finding the Fourth Proportional to 323,627,510.86, 446,727,416.07 and 212,125,537.26
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Solution
The fourth proportional to 323,627,510.86, 446,727,416.07 and 212,125,537.26 is: 292,812,847.99
Step by Step Solution
- Step 1: Write the proportion equation
323,627,510.86 : 446,727,416.07 = 212,125,537.26 : x - Step 2: Convert to fraction form
323,627,510.86/446,727,416.07 = 212,125,537.26/x - Step 3: Cross multiply
323,627,510.86x = 446,727,416.07 × 212,125,537.26 - Step 4: Simplify right side
323,627,510.86x = 94,762,293,142,620,304 - Step 5: Solve for x
x = 94,762,293,142,620,304/323,627,510.86 - Step 6: Final answer
x = 292,812,847.99
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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.