Finding the Fourth Proportional to 1,787,864,080.62, 2,467,232,851.26 and 984,074,392.56
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Solution
The fourth proportional to 1,787,864,080.62, 2,467,232,851.26 and 984,074,392.56 is: 1,358,011,884.53
Step by Step Solution
- Step 1: Write the proportion equation
1,787,864,080.62 : 2,467,232,851.26 = 984,074,392.56 : x - Step 2: Convert to fraction form
1,787,864,080.62/2,467,232,851.26 = 984,074,392.56/x - Step 3: Cross multiply
1,787,864,080.62x = 2,467,232,851.26 × 984,074,392.56 - Step 4: Simplify right side
1,787,864,080.62x = 2,427,940,669,407,761,408 - Step 5: Solve for x
x = 2,427,940,669,407,761,408/1,787,864,080.62 - Step 6: Final answer
x = 1,358,011,884.53
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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.