Finding the Fourth Proportional to 485,286,835, 727,930,252.50 and 162,170,707
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Solution
The fourth proportional to 485,286,835, 727,930,252.50 and 162,170,707 is: 243,256,060.50
Step by Step Solution
- Step 1: Write the proportion equation
485,286,835 : 727,930,252.50 = 162,170,707 : x - Step 2: Convert to fraction form
485,286,835/727,930,252.50 = 162,170,707/x - Step 3: Cross multiply
485,286,835x = 727,930,252.50 × 162,170,707 - Step 4: Simplify right side
485,286,835x = 118,048,963,694,613,520 - Step 5: Solve for x
x = 118,048,963,694,613,520/485,286,835 - Step 6: Final answer
x = 243,256,060.50
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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.