Finding the Fourth Proportional to 541,678,373.48, 812,261,427.20 and 209,840,806.98
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Solution
The fourth proportional to 541,678,373.48, 812,261,427.20 and 209,840,806.98 is: 314,661,987.09
Step by Step Solution
- Step 1: Write the proportion equation
541,678,373.48 : 812,261,427.20 = 209,840,806.98 : x - Step 2: Convert to fraction form
541,678,373.48/812,261,427.20 = 209,840,806.98/x - Step 3: Cross multiply
541,678,373.48x = 812,261,427.20 × 209,840,806.98 - Step 4: Simplify right side
541,678,373.48x = 170,445,593,364,418,720 - Step 5: Solve for x
x = 170,445,593,364,418,720/541,678,373.48 - Step 6: Final answer
x = 314,661,987.09
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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.