Finding the Fourth Proportional to 299,576,571.21, 413,379,858.74 and 165,596,387.74
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Solution
The fourth proportional to 299,576,571.21, 413,379,858.74 and 165,596,387.74 is: 228,503,220.71
Step by Step Solution
- Step 1: Write the proportion equation
299,576,571.21 : 413,379,858.74 = 165,596,387.74 : x - Step 2: Convert to fraction form
299,576,571.21/413,379,858.74 = 165,596,387.74/x - Step 3: Cross multiply
299,576,571.21x = 413,379,858.74 × 165,596,387.74 - Step 4: Simplify right side
299,576,571.21x = 68,454,211,369,954,040 - Step 5: Solve for x
x = 68,454,211,369,954,040/299,576,571.21 - Step 6: Final answer
x = 228,503,220.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.