Finding the Fourth Proportional to 1,848,248,215.96, 2,772,348,107.96 and 449,228,423.59
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Solution
The fourth proportional to 1,848,248,215.96, 2,772,348,107.96 and 449,228,423.59 is: 673,836,749.54
Step by Step Solution
- Step 1: Write the proportion equation
1,848,248,215.96 : 2,772,348,107.96 = 449,228,423.59 : x - Step 2: Convert to fraction form
1,848,248,215.96/2,772,348,107.96 = 449,228,423.59/x - Step 3: Cross multiply
1,848,248,215.96x = 2,772,348,107.96 × 449,228,423.59 - Step 4: Simplify right side
1,848,248,215.96x = 1,245,417,570,190,509,056 - Step 5: Solve for x
x = 1,245,417,570,190,509,056/1,848,248,215.96 - Step 6: Final answer
x = 673,836,749.54
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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.