Finding the Fourth Proportional to 5,315,395,545.60, 7,972,337,491.20 and 1,821,962,227.20
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Solution
The fourth proportional to 5,315,395,545.60, 7,972,337,491.20 and 1,821,962,227.20 is: 2,732,684,265.33
Step by Step Solution
- Step 1: Write the proportion equation
5,315,395,545.60 : 7,972,337,491.20 = 1,821,962,227.20 : x - Step 2: Convert to fraction form
5,315,395,545.60/7,972,337,491.20 = 1,821,962,227.20/x - Step 3: Cross multiply
5,315,395,545.60x = 7,972,337,491.20 × 1,821,962,227.20 - Step 4: Simplify right side
5,315,395,545.60x = 14,525,297,771,456,813,056 - Step 5: Solve for x
x = 14,525,297,771,456,813,056/5,315,395,545.60 - Step 6: Final answer
x = 2,732,684,265.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.