Finding the Fourth Proportional to 4,230,301,815.20, 6,341,421,644.40 and 3,297,107,165.60
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Solution
The fourth proportional to 4,230,301,815.20, 6,341,421,644.40 and 3,297,107,165.60 is: 4,942,518,916.43
Step by Step Solution
- Step 1: Write the proportion equation
4,230,301,815.20 : 6,341,421,644.40 = 3,297,107,165.60 : x - Step 2: Convert to fraction form
4,230,301,815.20/6,341,421,644.40 = 3,297,107,165.60/x - Step 3: Cross multiply
4,230,301,815.20x = 6,341,421,644.40 × 3,297,107,165.60 - Step 4: Simplify right side
4,230,301,815.20x = 20,908,346,743,842,172,928 - Step 5: Solve for x
x = 20,908,346,743,842,172,928/4,230,301,815.20 - Step 6: Final answer
x = 4,942,518,916.43
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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.