Finding the Fourth Proportional to 561,649,070.34, 842,588,508.84 and 193,136,163.42
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Solution
The fourth proportional to 561,649,070.34, 842,588,508.84 and 193,136,163.42 is: 289,743,757.33
Step by Step Solution
- Step 1: Write the proportion equation
561,649,070.34 : 842,588,508.84 = 193,136,163.42 : x - Step 2: Convert to fraction form
561,649,070.34/842,588,508.84 = 193,136,163.42/x - Step 3: Cross multiply
561,649,070.34x = 842,588,508.84 × 193,136,163.42 - Step 4: Simplify right side
561,649,070.34x = 162,734,311,939,136,352 - Step 5: Solve for x
x = 162,734,311,939,136,352/561,649,070.34 - Step 6: Final answer
x = 289,743,757.33
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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.