Finding the Fourth Proportional to 490,595,975.12, 735,995,526.96 and 199,463,147.48
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Solution
The fourth proportional to 490,595,975.12, 735,995,526.96 and 199,463,147.48 is: 299,236,014.52
Step by Step Solution
- Step 1: Write the proportion equation
490,595,975.12 : 735,995,526.96 = 199,463,147.48 : x - Step 2: Convert to fraction form
490,595,975.12/735,995,526.96 = 199,463,147.48/x - Step 3: Cross multiply
490,595,975.12x = 735,995,526.96 × 199,463,147.48 - Step 4: Simplify right side
490,595,975.12x = 146,803,984,334,962,816 - Step 5: Solve for x
x = 146,803,984,334,962,816/490,595,975.12 - Step 6: Final answer
x = 299,236,014.52
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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.