Finding the Fourth Proportional to 353,246,328.26, 487,471,023.29 and 194,474,866.14
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Solution
The fourth proportional to 353,246,328.26, 487,471,023.29 and 194,474,866.14 is: 268,370,410.16
Step by Step Solution
- Step 1: Write the proportion equation
353,246,328.26 : 487,471,023.29 = 194,474,866.14 : x - Step 2: Convert to fraction form
353,246,328.26/487,471,023.29 = 194,474,866.14/x - Step 3: Cross multiply
353,246,328.26x = 487,471,023.29 × 194,474,866.14 - Step 4: Simplify right side
353,246,328.26x = 94,800,862,001,451,568 - Step 5: Solve for x
x = 94,800,862,001,451,568/353,246,328.26 - Step 6: Final answer
x = 268,370,410.16
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.