Finding the Fourth Proportional to 342,546,873.49, 472,715,153.18 and 185,913,982.63
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Solution
The fourth proportional to 342,546,873.49, 472,715,153.18 and 185,913,982.63 is: 256,561,549.90
Step by Step Solution
- Step 1: Write the proportion equation
342,546,873.49 : 472,715,153.18 = 185,913,982.63 : x - Step 2: Convert to fraction form
342,546,873.49/472,715,153.18 = 185,913,982.63/x - Step 3: Cross multiply
342,546,873.49x = 472,715,153.18 × 185,913,982.63 - Step 4: Simplify right side
342,546,873.49x = 87,884,356,777,244,304 - Step 5: Solve for x
x = 87,884,356,777,244,304/342,546,873.49 - Step 6: Final answer
x = 256,561,549.90
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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.