Finding the Fourth Proportional to 329,373,467.99, 454,506,437.01 and 188,216,676.45
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Solution
The fourth proportional to 329,373,467.99, 454,506,437.01 and 188,216,676.45 is: 259,722,471.03
Step by Step Solution
- Step 1: Write the proportion equation
329,373,467.99 : 454,506,437.01 = 188,216,676.45 : x - Step 2: Convert to fraction form
329,373,467.99/454,506,437.01 = 188,216,676.45/x - Step 3: Cross multiply
329,373,467.99x = 454,506,437.01 × 188,216,676.45 - Step 4: Simplify right side
329,373,467.99x = 85,545,690,999,153,472 - Step 5: Solve for x
x = 85,545,690,999,153,472/329,373,467.99 - Step 6: Final answer
x = 259,722,471.03
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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.