Finding the Fourth Proportional to 207,231,844.80, 290,549,256 and 207,231,844.80
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Solution
The fourth proportional to 207,231,844.80, 290,549,256 and 207,231,844.80 is: 290,549,256
Step by Step Solution
- Step 1: Write the proportion equation
207,231,844.80 : 290,549,256 = 207,231,844.80 : x - Step 2: Convert to fraction form
207,231,844.80/290,549,256 = 207,231,844.80/x - Step 3: Cross multiply
207,231,844.80x = 290,549,256 × 207,231,844.80 - Step 4: Simplify right side
207,231,844.80x = 60,211,058,326,147,472 - Step 5: Solve for x
x = 60,211,058,326,147,472/207,231,844.80 - Step 6: Final answer
x = 290,549,256
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.