Finding the Fourth Proportional to 852,499,739.12, 1,176,449,625.72 and 461,359,163.12
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Solution
The fourth proportional to 852,499,739.12, 1,176,449,625.72 and 461,359,163.12 is: 636,675,637.39
Step by Step Solution
- Step 1: Write the proportion equation
852,499,739.12 : 1,176,449,625.72 = 461,359,163.12 : x - Step 2: Convert to fraction form
852,499,739.12/1,176,449,625.72 = 461,359,163.12/x - Step 3: Cross multiply
852,499,739.12x = 1,176,449,625.72 × 461,359,163.12 - Step 4: Simplify right side
852,499,739.12x = 542,765,814,775,016,448 - Step 5: Solve for x
x = 542,765,814,775,016,448/852,499,739.12 - Step 6: Final answer
x = 636,675,637.39
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1.5x scale
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.