Finding the Fourth Proportional to 280,410,867.99, 420,240,318.66 and 218,237,253.30
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Solution
The fourth proportional to 280,410,867.99, 420,240,318.66 and 218,237,253.30 is: 327,063,260.88
Step by Step Solution
- Step 1: Write the proportion equation
280,410,867.99 : 420,240,318.66 = 218,237,253.30 : x - Step 2: Convert to fraction form
280,410,867.99/420,240,318.66 = 218,237,253.30/x - Step 3: Cross multiply
280,410,867.99x = 420,240,318.66 × 218,237,253.30 - Step 4: Simplify right side
280,410,867.99x = 91,712,092,870,275,152 - Step 5: Solve for x
x = 91,712,092,870,275,152/280,410,867.99 - Step 6: Final answer
x = 327,063,260.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.