Finding the Fourth Proportional to 330,415,430.76, 455,973,527.16 and 181,747,861.92
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Solution
The fourth proportional to 330,415,430.76, 455,973,527.16 and 181,747,861.92 is: 250,812,177.45
Step by Step Solution
- Step 1: Write the proportion equation
330,415,430.76 : 455,973,527.16 = 181,747,861.92 : x - Step 2: Convert to fraction form
330,415,430.76/455,973,527.16 = 181,747,861.92/x - Step 3: Cross multiply
330,415,430.76x = 455,973,527.16 × 181,747,861.92 - Step 4: Simplify right side
330,415,430.76x = 82,872,213,653,451,056 - Step 5: Solve for x
x = 82,872,213,653,451,056/330,415,430.76 - Step 6: Final answer
x = 250,812,177.45
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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.