Finding the Fourth Proportional to 1,219,203,330.28, 1,682,546,846.01 and 683,364,899
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Solution
The fourth proportional to 1,219,203,330.28, 1,682,546,846.01 and 683,364,899 is: 943,069,483.92
Step by Step Solution
- Step 1: Write the proportion equation
1,219,203,330.28 : 1,682,546,846.01 = 683,364,899 : x - Step 2: Convert to fraction form
1,219,203,330.28/1,682,546,846.01 = 683,364,899/x - Step 3: Cross multiply
1,219,203,330.28x = 1,682,546,846.01 × 683,364,899 - Step 4: Simplify right side
1,219,203,330.28x = 1,149,793,455,486,392,192 - Step 5: Solve for x
x = 1,149,793,455,486,392,192/1,219,203,330.28 - Step 6: Final answer
x = 943,069,483.92
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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.