Finding the Fourth Proportional to 403,393,467.76, 556,668,288.54 and 224,768,126.84
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Solution
The fourth proportional to 403,393,467.76, 556,668,288.54 and 224,768,126.84 is: 310,171,825.99
Step by Step Solution
- Step 1: Write the proportion equation
403,393,467.76 : 556,668,288.54 = 224,768,126.84 : x - Step 2: Convert to fraction form
403,393,467.76/556,668,288.54 = 224,768,126.84/x - Step 3: Cross multiply
403,393,467.76x = 556,668,288.54 × 224,768,126.84 - Step 4: Simplify right side
403,393,467.76x = 125,121,288,486,364,432 - Step 5: Solve for x
x = 125,121,288,486,364,432/403,393,467.76 - Step 6: Final answer
x = 310,171,825.99
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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.