Finding the Fourth Proportional to 5,516,395,088.58, 7,612,785,989.55 and 3,010,430,213.82
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Solution
The fourth proportional to 5,516,395,088.58, 7,612,785,989.55 and 3,010,430,213.82 is: 4,154,481,429.68
Step by Step Solution
- Step 1: Write the proportion equation
5,516,395,088.58 : 7,612,785,989.55 = 3,010,430,213.82 : x - Step 2: Convert to fraction form
5,516,395,088.58/7,612,785,989.55 = 3,010,430,213.82/x - Step 3: Cross multiply
5,516,395,088.58x = 7,612,785,989.55 × 3,010,430,213.82 - Step 4: Simplify right side
5,516,395,088.58x = 22,917,760,954,286,907,392 - Step 5: Solve for x
x = 22,917,760,954,286,907,392/5,516,395,088.58 - Step 6: Final answer
x = 4,154,481,429.68
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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.