Finding the Fourth Proportional to 1,479,408,169.04, 2,041,578,177.36 and 852,873,609.68
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Solution
The fourth proportional to 1,479,408,169.04, 2,041,578,177.36 and 852,873,609.68 is: 1,176,962,643.58
Step by Step Solution
- Step 1: Write the proportion equation
1,479,408,169.04 : 2,041,578,177.36 = 852,873,609.68 : x - Step 2: Convert to fraction form
1,479,408,169.04/2,041,578,177.36 = 852,873,609.68/x - Step 3: Cross multiply
1,479,408,169.04x = 2,041,578,177.36 × 852,873,609.68 - Step 4: Simplify right side
1,479,408,169.04x = 1,741,208,149,568,938,240 - Step 5: Solve for x
x = 1,741,208,149,568,938,240/1,479,408,169.04 - Step 6: Final answer
x = 1,176,962,643.58
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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.