Finding the Fourth Proportional to 494,475,555.09, 741,149,132.22 and 199,181,722.49
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Solution
The fourth proportional to 494,475,555.09, 741,149,132.22 and 199,181,722.49 is: 298,545,315.85
Step by Step Solution
- Step 1: Write the proportion equation
494,475,555.09 : 741,149,132.22 = 199,181,722.49 : x - Step 2: Convert to fraction form
494,475,555.09/741,149,132.22 = 199,181,722.49/x - Step 3: Cross multiply
494,475,555.09x = 741,149,132.22 × 199,181,722.49 - Step 4: Simplify right side
494,475,555.09x = 147,623,360,776,621,920 - Step 5: Solve for x
x = 147,623,360,776,621,920/494,475,555.09 - Step 6: Final answer
x = 298,545,315.85
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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.