Finding the Fourth Proportional to 5,480,822,893.40, 7,562,239,251.50 and 3,101,960,829.88
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Solution
The fourth proportional to 5,480,822,893.40, 7,562,239,251.50 and 3,101,960,829.88 is: 4,279,972,259.75
Step by Step Solution
- Step 1: Write the proportion equation
5,480,822,893.40 : 7,562,239,251.50 = 3,101,960,829.88 : x - Step 2: Convert to fraction form
5,480,822,893.40/7,562,239,251.50 = 3,101,960,829.88/x - Step 3: Cross multiply
5,480,822,893.40x = 7,562,239,251.50 × 3,101,960,829.88 - Step 4: Simplify right side
5,480,822,893.40x = 23,457,769,944,332,267,520 - Step 5: Solve for x
x = 23,457,769,944,332,267,520/5,480,822,893.40 - Step 6: Final answer
x = 4,279,972,259.75
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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.