Finding the Fourth Proportional to 7,818,255,368,824.40, 10,789,194,170,074 and 4,302,554,442,716.70
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Solution
The fourth proportional to 7,818,255,368,824.40, 10,789,194,170,074 and 4,302,554,442,716.70 is: 5,937,526,100,118.31
Step by Step Solution
- Step 1: Write the proportion equation
7,818,255,368,824.40 : 10,789,194,170,074 = 4,302,554,442,716.70 : x - Step 2: Convert to fraction form
7,818,255,368,824.40/10,789,194,170,074 = 4,302,554,442,716.70/x - Step 3: Cross multiply
7,818,255,368,824.40x = 10,789,194,170,074 × 4,302,554,442,716.70 - Step 4: Simplify right side
7,818,255,368,824.40x = 46,421,095,309,785,008,137,306,112 - Step 5: Solve for x
x = 46,421,095,309,785,008,137,306,112/7,818,255,368,824.40 - Step 6: Final answer
x = 5,937,526,100,118.31
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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.