Finding the Fourth Proportional to 336,979,417.81, 465,022,676.14 and 188,301,760.63
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Solution
The fourth proportional to 336,979,417.81, 465,022,676.14 and 188,301,760.63 is: 259,851,444.99
Step by Step Solution
- Step 1: Write the proportion equation
336,979,417.81 : 465,022,676.14 = 188,301,760.63 : x - Step 2: Convert to fraction form
336,979,417.81/465,022,676.14 = 188,301,760.63/x - Step 3: Cross multiply
336,979,417.81x = 465,022,676.14 × 188,301,760.63 - Step 4: Simplify right side
336,979,417.81x = 87,564,588,650,036,288 - Step 5: Solve for x
x = 87,564,588,650,036,288/336,979,417.81 - Step 6: Final answer
x = 259,851,444.99
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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.