Finding the Fourth Proportional to 7,255,177,987.68, 10,011,823,536.24 and 4,040,253,799.20
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Solution
The fourth proportional to 7,255,177,987.68, 10,011,823,536.24 and 4,040,253,799.20 is: 5,575,370,879.65
Step by Step Solution
- Step 1: Write the proportion equation
7,255,177,987.68 : 10,011,823,536.24 = 4,040,253,799.20 : x - Step 2: Convert to fraction form
7,255,177,987.68/10,011,823,536.24 = 4,040,253,799.20/x - Step 3: Cross multiply
7,255,177,987.68x = 10,011,823,536.24 × 4,040,253,799.20 - Step 4: Simplify right side
7,255,177,987.68x = 40,450,308,079,213,633,536 - Step 5: Solve for x
x = 40,450,308,079,213,633,536/7,255,177,987.68 - Step 6: Final answer
x = 5,575,370,879.65
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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.