Finding the Fourth Proportional to 306,493,467.28, 423,201,979.19 and 246,765,033.88
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Solution
The fourth proportional to 306,493,467.28, 423,201,979.19 and 246,765,033.88 is: 340,729,776.92
Step by Step Solution
- Step 1: Write the proportion equation
306,493,467.28 : 423,201,979.19 = 246,765,033.88 : x - Step 2: Convert to fraction form
306,493,467.28/423,201,979.19 = 246,765,033.88/x - Step 3: Cross multiply
306,493,467.28x = 423,201,979.19 × 246,765,033.88 - Step 4: Simplify right side
306,493,467.28x = 104,431,450,732,903,408 - Step 5: Solve for x
x = 104,431,450,732,903,408/306,493,467.28 - Step 6: Final answer
x = 340,729,776.92
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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.