Finding the Fourth Proportional to 405,453,861.36, 607,949,757.36 and 159,677,401.68
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Solution
The fourth proportional to 405,453,861.36, 607,949,757.36 and 159,677,401.68 is: 239,425,115.55
Step by Step Solution
- Step 1: Write the proportion equation
405,453,861.36 : 607,949,757.36 = 159,677,401.68 : x - Step 2: Convert to fraction form
405,453,861.36/607,949,757.36 = 159,677,401.68/x - Step 3: Cross multiply
405,453,861.36x = 607,949,757.36 × 159,677,401.68 - Step 4: Simplify right side
405,453,861.36x = 97,075,837,607,231,264 - Step 5: Solve for x
x = 97,075,837,607,231,264/405,453,861.36 - Step 6: Final answer
x = 239,425,115.55
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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.