Finding the Fourth Proportional to 411,043,632.84, 567,256,568.58 and 225,411,306.12
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Solution
The fourth proportional to 411,043,632.84, 567,256,568.58 and 225,411,306.12 is: 311,076,571.47
Step by Step Solution
- Step 1: Write the proportion equation
411,043,632.84 : 567,256,568.58 = 225,411,306.12 : x - Step 2: Convert to fraction form
411,043,632.84/567,256,568.58 = 225,411,306.12/x - Step 3: Cross multiply
411,043,632.84x = 567,256,568.58 × 225,411,306.12 - Step 4: Simplify right side
411,043,632.84x = 127,866,044,028,767,168 - Step 5: Solve for x
x = 127,866,044,028,767,168/411,043,632.84 - Step 6: Final answer
x = 311,076,571.47
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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.