Finding the Fourth Proportional to 4,205,502,789.36, 5,805,380,826.34 and 2,620,377,911.98
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Solution
The fourth proportional to 4,205,502,789.36, 5,805,380,826.34 and 2,620,377,911.98 is: 3,617,234,953.80
Step by Step Solution
- Step 1: Write the proportion equation
4,205,502,789.36 : 5,805,380,826.34 = 2,620,377,911.98 : x - Step 2: Convert to fraction form
4,205,502,789.36/5,805,380,826.34 = 2,620,377,911.98/x - Step 3: Cross multiply
4,205,502,789.36x = 5,805,380,826.34 × 2,620,377,911.98 - Step 4: Simplify right side
4,205,502,789.36x = 15,212,291,687,973,535,744 - Step 5: Solve for x
x = 15,212,291,687,973,535,744/4,205,502,789.36 - Step 6: Final answer
x = 3,617,234,953.80
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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.