Finding the Fourth Proportional to 299,549,805.60, 449,324,708.40 and 251,176,864.80
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Solution
The fourth proportional to 299,549,805.60, 449,324,708.40 and 251,176,864.80 is: 376,765,297.20
Step by Step Solution
- Step 1: Write the proportion equation
299,549,805.60 : 449,324,708.40 = 251,176,864.80 : x - Step 2: Convert to fraction form
299,549,805.60/449,324,708.40 = 251,176,864.80/x - Step 3: Cross multiply
299,549,805.60x = 449,324,708.40 × 251,176,864.80 - Step 4: Simplify right side
299,549,805.60x = 112,859,971,533,086,224 - Step 5: Solve for x
x = 112,859,971,533,086,224/299,549,805.60 - Step 6: Final answer
x = 376,765,297.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.