Finding the Fourth Proportional to 5,448,065,716.80, 8,172,098,575.20 and 1,518,378,386.40
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Solution
The fourth proportional to 5,448,065,716.80, 8,172,098,575.20 and 1,518,378,386.40 is: 2,277,567,579.60
Step by Step Solution
- Step 1: Write the proportion equation
5,448,065,716.80 : 8,172,098,575.20 = 1,518,378,386.40 : x - Step 2: Convert to fraction form
5,448,065,716.80/8,172,098,575.20 = 1,518,378,386.40/x - Step 3: Cross multiply
5,448,065,716.80x = 8,172,098,575.20 × 1,518,378,386.40 - Step 4: Simplify right side
5,448,065,716.80x = 12,408,337,848,113,915,904 - Step 5: Solve for x
x = 12,408,337,848,113,915,904/5,448,065,716.80 - Step 6: Final answer
x = 2,277,567,579.60
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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.