Finding the Fourth Proportional to 561,649,304.53, 842,588,860.41 and 193,136,397.83
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Solution
The fourth proportional to 561,649,304.53, 842,588,860.41 and 193,136,397.83 is: 289,744,109.07
Step by Step Solution
- Step 1: Write the proportion equation
561,649,304.53 : 842,588,860.41 = 193,136,397.83 : x - Step 2: Convert to fraction form
561,649,304.53/842,588,860.41 = 193,136,397.83/x - Step 3: Cross multiply
561,649,304.53x = 842,588,860.41 × 193,136,397.83 - Step 4: Simplify right side
561,649,304.53x = 162,734,577,350,218,880 - Step 5: Solve for x
x = 162,734,577,350,218,880/561,649,304.53 - Step 6: Final answer
x = 289,744,109.07
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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.