Finding the Fourth Proportional to 344,408,668.68, 516,614,905.74 and 85,623,889.26
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Solution
The fourth proportional to 344,408,668.68, 516,614,905.74 and 85,623,889.26 is: 128,436,306.93
Step by Step Solution
- Step 1: Write the proportion equation
344,408,668.68 : 516,614,905.74 = 85,623,889.26 : x - Step 2: Convert to fraction form
344,408,668.68/516,614,905.74 = 85,623,889.26/x - Step 3: Cross multiply
344,408,668.68x = 516,614,905.74 × 85,623,889.26 - Step 4: Simplify right side
344,408,668.68x = 44,234,577,479,147,104 - Step 5: Solve for x
x = 44,234,577,479,147,104/344,408,668.68 - Step 6: Final answer
x = 128,436,306.93
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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.