Finding the Fourth Proportional to 415,854,272.24, 573,856,160.18 and 227,646,157.03
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Solution
The fourth proportional to 415,854,272.24, 573,856,160.18 and 227,646,157.03 is: 314,139,250.87
Step by Step Solution
- Step 1: Write the proportion equation
415,854,272.24 : 573,856,160.18 = 227,646,157.03 : x - Step 2: Convert to fraction form
415,854,272.24/573,856,160.18 = 227,646,157.03/x - Step 3: Cross multiply
415,854,272.24x = 573,856,160.18 × 227,646,157.03 - Step 4: Simplify right side
415,854,272.24x = 130,636,149,552,969,104 - Step 5: Solve for x
x = 130,636,149,552,969,104/415,854,272.24 - Step 6: Final answer
x = 314,139,250.87
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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.