Finding the Fourth Proportional to 385,397,237.04, 578,003,292.86 and 177,936,318.92
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Solution
The fourth proportional to 385,397,237.04, 578,003,292.86 and 177,936,318.92 is: 266,861,742.55
Step by Step Solution
- Step 1: Write the proportion equation
385,397,237.04 : 578,003,292.86 = 177,936,318.92 : x - Step 2: Convert to fraction form
385,397,237.04/578,003,292.86 = 177,936,318.92/x - Step 3: Cross multiply
385,397,237.04x = 578,003,292.86 × 177,936,318.92 - Step 4: Simplify right side
385,397,237.04x = 102,847,778,251,367,424 - Step 5: Solve for x
x = 102,847,778,251,367,424/385,397,237.04 - Step 6: Final answer
x = 266,861,742.55
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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.