Finding the Fourth Proportional to 314,933,862.80, 472,400,794.20 and 176,617,485.20
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Solution
The fourth proportional to 314,933,862.80, 472,400,794.20 and 176,617,485.20 is: 264,926,227.80
Step by Step Solution
- Step 1: Write the proportion equation
314,933,862.80 : 472,400,794.20 = 176,617,485.20 : x - Step 2: Convert to fraction form
314,933,862.80/472,400,794.20 = 176,617,485.20/x - Step 3: Cross multiply
314,933,862.80x = 472,400,794.20 × 176,617,485.20 - Step 4: Simplify right side
314,933,862.80x = 83,434,240,278,086,736 - Step 5: Solve for x
x = 83,434,240,278,086,736/314,933,862.80 - Step 6: Final answer
x = 264,926,227.80
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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.