Finding the Fourth Proportional to 403,393,463.72, 556,668,282.91 and 224,768,122.80
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Solution
The fourth proportional to 403,393,463.72, 556,668,282.91 and 224,768,122.80 is: 310,171,820.38
Step by Step Solution
- Step 1: Write the proportion equation
403,393,463.72 : 556,668,282.91 = 224,768,122.80 : x - Step 2: Convert to fraction form
403,393,463.72/556,668,282.91 = 224,768,122.80/x - Step 3: Cross multiply
403,393,463.72x = 556,668,282.91 × 224,768,122.80 - Step 4: Simplify right side
403,393,463.72x = 125,121,284,970,384,736 - Step 5: Solve for x
x = 125,121,284,970,384,736/403,393,463.72 - Step 6: Final answer
x = 310,171,820.38
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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.