Finding the Fourth Proportional to 472,393,351.70, 708,590,027.55 and 264,918,785.30
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Solution
The fourth proportional to 472,393,351.70, 708,590,027.55 and 264,918,785.30 is: 397,378,177.95
Step by Step Solution
- Step 1: Write the proportion equation
472,393,351.70 : 708,590,027.55 = 264,918,785.30 : x - Step 2: Convert to fraction form
472,393,351.70/708,590,027.55 = 264,918,785.30/x - Step 3: Cross multiply
472,393,351.70x = 708,590,027.55 × 264,918,785.30 - Step 4: Simplify right side
472,393,351.70x = 187,718,809,374,239,520 - Step 5: Solve for x
x = 187,718,809,374,239,520/472,393,351.70 - Step 6: Final answer
x = 397,378,177.95
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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.