Finding the Fourth Proportional to 2,198,664,553.80, 3,297,996,830.70 and 1,980,986,320.20
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Solution
The fourth proportional to 2,198,664,553.80, 3,297,996,830.70 and 1,980,986,320.20 is: 2,971,479,480.30
Step by Step Solution
- Step 1: Write the proportion equation
2,198,664,553.80 : 3,297,996,830.70 = 1,980,986,320.20 : x - Step 2: Convert to fraction form
2,198,664,553.80/3,297,996,830.70 = 1,980,986,320.20/x - Step 3: Cross multiply
2,198,664,553.80x = 3,297,996,830.70 × 1,980,986,320.20 - Step 4: Simplify right side
2,198,664,553.80x = 6,533,286,605,679,654,912 - Step 5: Solve for x
x = 6,533,286,605,679,654,912/2,198,664,553.80 - Step 6: Final answer
x = 2,971,479,480.30
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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.