Finding the Fourth Proportional to 11,301,065,367, 15,595,346,446.68 and 6,220,320,674.52
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Solution
The fourth proportional to 11,301,065,367, 15,595,346,446.68 and 6,220,320,674.52 is: 8,583,974,411.11
Step by Step Solution
- Step 1: Write the proportion equation
11,301,065,367 : 15,595,346,446.68 = 6,220,320,674.52 : x - Step 2: Convert to fraction form
11,301,065,367/15,595,346,446.68 = 6,220,320,674.52/x - Step 3: Cross multiply
11,301,065,367x = 15,595,346,446.68 × 6,220,320,674.52 - Step 4: Simplify right side
11,301,065,367x = 97,008,055,928,585,633,792 - Step 5: Solve for x
x = 97,008,055,928,585,633,792/11,301,065,367 - Step 6: Final answer
x = 8,583,974,411.11
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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.