Finding the Fourth Proportional to 349,186,538.44, 481,866,878.10 and 192,553,568.20
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Solution
The fourth proportional to 349,186,538.44, 481,866,878.10 and 192,553,568.20 is: 265,718,109.27
Step by Step Solution
- Step 1: Write the proportion equation
349,186,538.44 : 481,866,878.10 = 192,553,568.20 : x - Step 2: Convert to fraction form
349,186,538.44/481,866,878.10 = 192,553,568.20/x - Step 3: Cross multiply
349,186,538.44x = 481,866,878.10 × 192,553,568.20 - Step 4: Simplify right side
349,186,538.44x = 92,785,186,775,549,440 - Step 5: Solve for x
x = 92,785,186,775,549,440/349,186,538.44 - Step 6: Final answer
x = 265,718,109.27
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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.