Finding the Fourth Proportional to 372,295,890.63, 557,717,337.50 and 290,029,571.06
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Solution
The fourth proportional to 372,295,890.63, 557,717,337.50 and 290,029,571.06 is: 434,478,392.68
Step by Step Solution
- Step 1: Write the proportion equation
372,295,890.63 : 557,717,337.50 = 290,029,571.06 : x - Step 2: Convert to fraction form
372,295,890.63/557,717,337.50 = 290,029,571.06/x - Step 3: Cross multiply
372,295,890.63x = 557,717,337.50 × 290,029,571.06 - Step 4: Simplify right side
372,295,890.63x = 161,754,520,163,611,520 - Step 5: Solve for x
x = 161,754,520,163,611,520/372,295,890.63 - Step 6: Final answer
x = 434,478,392.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.