Finding the Fourth Proportional to 2,194,873,775.97, 3,028,928,052.45 and 1,191,291,550.14
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Solution
The fourth proportional to 2,194,873,775.97, 3,028,928,052.45 and 1,191,291,550.14 is: 1,643,983,555.86
Step by Step Solution
- Step 1: Write the proportion equation
2,194,873,775.97 : 3,028,928,052.45 = 1,191,291,550.14 : x - Step 2: Convert to fraction form
2,194,873,775.97/3,028,928,052.45 = 1,191,291,550.14/x - Step 3: Cross multiply
2,194,873,775.97x = 3,028,928,052.45 × 1,191,291,550.14 - Step 4: Simplify right side
2,194,873,775.97x = 3,608,336,394,881,425,408 - Step 5: Solve for x
x = 3,608,336,394,881,425,408/2,194,873,775.97 - Step 6: Final answer
x = 1,643,983,555.86
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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.