Finding the Fourth Proportional to 5,298,383,697.81, 7,311,440,053.58 and 2,919,388,504.17
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Solution
The fourth proportional to 5,298,383,697.81, 7,311,440,053.58 and 2,919,388,504.17 is: 4,028,574,610.44
Step by Step Solution
- Step 1: Write the proportion equation
5,298,383,697.81 : 7,311,440,053.58 = 2,919,388,504.17 : x - Step 2: Convert to fraction form
5,298,383,697.81/7,311,440,053.58 = 2,919,388,504.17/x - Step 3: Cross multiply
5,298,383,697.81x = 7,311,440,053.58 × 2,919,388,504.17 - Step 4: Simplify right side
5,298,383,697.81x = 21,344,934,041,349,541,888 - Step 5: Solve for x
x = 21,344,934,041,349,541,888/5,298,383,697.81 - Step 6: Final answer
x = 4,028,574,610.44
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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.