Finding the Fourth Proportional to 3,440,207,469.12, 4,747,889,352.32 and 1,955,318,799.84
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Solution
The fourth proportional to 3,440,207,469.12, 4,747,889,352.32 and 1,955,318,799.84 is: 2,698,569,023.38
Step by Step Solution
- Step 1: Write the proportion equation
3,440,207,469.12 : 4,747,889,352.32 = 1,955,318,799.84 : x - Step 2: Convert to fraction form
3,440,207,469.12/4,747,889,352.32 = 1,955,318,799.84/x - Step 3: Cross multiply
3,440,207,469.12x = 4,747,889,352.32 × 1,955,318,799.84 - Step 4: Simplify right side
3,440,207,469.12x = 9,283,637,310,151,456,768 - Step 5: Solve for x
x = 9,283,637,310,151,456,768/3,440,207,469.12 - Step 6: Final answer
x = 2,698,569,023.38
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1.5x scale
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.