Finding the Fourth Proportional to 2,955,846,729.90, 4,079,079,297.36 and 1,599,480,643.98
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Solution
The fourth proportional to 2,955,846,729.90, 4,079,079,297.36 and 1,599,480,643.98 is: 2,207,289,138.30
Step by Step Solution
- Step 1: Write the proportion equation
2,955,846,729.90 : 4,079,079,297.36 = 1,599,480,643.98 : x - Step 2: Convert to fraction form
2,955,846,729.90/4,079,079,297.36 = 1,599,480,643.98/x - Step 3: Cross multiply
2,955,846,729.90x = 4,079,079,297.36 × 1,599,480,643.98 - Step 4: Simplify right side
2,955,846,729.90x = 6,524,408,381,386,858,496 - Step 5: Solve for x
x = 6,524,408,381,386,858,496/2,955,846,729.90 - Step 6: Final answer
x = 2,207,289,138.30
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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.