Finding the Fourth Proportional to 2,623,127,194.60, 3,936,202,446.30 and 988,524,903.40
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Solution
The fourth proportional to 2,623,127,194.60, 3,936,202,446.30 and 988,524,903.40 is: 1,483,357,021.73
Step by Step Solution
- Step 1: Write the proportion equation
2,623,127,194.60 : 3,936,202,446.30 = 988,524,903.40 : x - Step 2: Convert to fraction form
2,623,127,194.60/3,936,202,446.30 = 988,524,903.40/x - Step 3: Cross multiply
2,623,127,194.60x = 3,936,202,446.30 × 988,524,903.40 - Step 4: Simplify right side
2,623,127,194.60x = 3,891,034,142,991,551,488 - Step 5: Solve for x
x = 3,891,034,142,991,551,488/2,623,127,194.60 - Step 6: Final answer
x = 1,483,357,021.73
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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.