Finding the Fourth Proportional to 313,374,342.40, 470,136,163.20 and 151,683,308.80
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Solution
The fourth proportional to 313,374,342.40, 470,136,163.20 and 151,683,308.80 is: 227,561,096.02
Step by Step Solution
- Step 1: Write the proportion equation
313,374,342.40 : 470,136,163.20 = 151,683,308.80 : x - Step 2: Convert to fraction form
313,374,342.40/470,136,163.20 = 151,683,308.80/x - Step 3: Cross multiply
313,374,342.40x = 470,136,163.20 × 151,683,308.80 - Step 4: Simplify right side
313,374,342.40x = 71,311,808,820,712,800 - Step 5: Solve for x
x = 71,311,808,820,712,800/313,374,342.40 - Step 6: Final answer
x = 227,561,096.02
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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.