Finding the Fourth Proportional to 2,124,664,544.80, 3,186,996,817.20 and 744,299,691.40
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Solution
The fourth proportional to 2,124,664,544.80, 3,186,996,817.20 and 744,299,691.40 is: 1,116,449,537.10
Step by Step Solution
- Step 1: Write the proportion equation
2,124,664,544.80 : 3,186,996,817.20 = 744,299,691.40 : x - Step 2: Convert to fraction form
2,124,664,544.80/3,186,996,817.20 = 744,299,691.40/x - Step 3: Cross multiply
2,124,664,544.80x = 3,186,996,817.20 × 744,299,691.40 - Step 4: Simplify right side
2,124,664,544.80x = 2,372,080,747,534,742,016 - Step 5: Solve for x
x = 2,372,080,747,534,742,016/2,124,664,544.80 - Step 6: Final answer
x = 1,116,449,537.10
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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.