Finding the Fourth Proportional to 265,729,285.80, 398,593,928.70 and 197,704,837.80
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Solution
The fourth proportional to 265,729,285.80, 398,593,928.70 and 197,704,837.80 is: 296,557,256.70
Step by Step Solution
- Step 1: Write the proportion equation
265,729,285.80 : 398,593,928.70 = 197,704,837.80 : x - Step 2: Convert to fraction form
265,729,285.80/398,593,928.70 = 197,704,837.80/x - Step 3: Cross multiply
265,729,285.80x = 398,593,928.70 × 197,704,837.80 - Step 4: Simplify right side
265,729,285.80x = 78,803,948,021,698,272 - Step 5: Solve for x
x = 78,803,948,021,698,272/265,729,285.80 - Step 6: Final answer
x = 296,557,256.70
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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.