Finding the Fourth Proportional to 484,118,883.08, 667,992,687.54 and 288,566,790.92
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Solution
The fourth proportional to 484,118,883.08, 667,992,687.54 and 288,566,790.92 is: 398,167,708.26
Step by Step Solution
- Step 1: Write the proportion equation
484,118,883.08 : 667,992,687.54 = 288,566,790.92 : x - Step 2: Convert to fraction form
484,118,883.08/667,992,687.54 = 288,566,790.92/x - Step 3: Cross multiply
484,118,883.08x = 667,992,687.54 × 288,566,790.92 - Step 4: Simplify right side
484,118,883.08x = 192,760,506,201,444,064 - Step 5: Solve for x
x = 192,760,506,201,444,064/484,118,883.08 - Step 6: Final answer
x = 398,167,708.26
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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.