Finding the Fourth Proportional to 306,493,468.03, 423,201,980.22 and 246,765,034.63
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Solution
The fourth proportional to 306,493,468.03, 423,201,980.22 and 246,765,034.63 is: 340,729,777.95
Step by Step Solution
- Step 1: Write the proportion equation
306,493,468.03 : 423,201,980.22 = 246,765,034.63 : x - Step 2: Convert to fraction form
306,493,468.03/423,201,980.22 = 246,765,034.63/x - Step 3: Cross multiply
306,493,468.03x = 423,201,980.22 × 246,765,034.63 - Step 4: Simplify right side
306,493,468.03x = 104,431,451,302,356,880 - Step 5: Solve for x
x = 104,431,451,302,356,880/306,493,468.03 - Step 6: Final answer
x = 340,729,777.95
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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.