Finding the Fourth Proportional to 7,558,455,274.80, 11,337,682,912.20 and 2,112,020,458.80
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Solution
The fourth proportional to 7,558,455,274.80, 11,337,682,912.20 and 2,112,020,458.80 is: 3,168,030,688.20
Step by Step Solution
- Step 1: Write the proportion equation
7,558,455,274.80 : 11,337,682,912.20 = 2,112,020,458.80 : x - Step 2: Convert to fraction form
7,558,455,274.80/11,337,682,912.20 = 2,112,020,458.80/x - Step 3: Cross multiply
7,558,455,274.80x = 11,337,682,912.20 × 2,112,020,458.80 - Step 4: Simplify right side
7,558,455,274.80x = 23,945,418,265,953,566,720 - Step 5: Solve for x
x = 23,945,418,265,953,566,720/7,558,455,274.80 - Step 6: Final answer
x = 3,168,030,688.20
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1.5x scale
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.