Finding the Fourth Proportional to 5,352,881,311.86, 8,028,431,394.99 and 1,621,285,501.08
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Solution
The fourth proportional to 5,352,881,311.86, 8,028,431,394.99 and 1,621,285,501.08 is: 2,431,658,514.13
Step by Step Solution
- Step 1: Write the proportion equation
5,352,881,311.86 : 8,028,431,394.99 = 1,621,285,501.08 : x - Step 2: Convert to fraction form
5,352,881,311.86/8,028,431,394.99 = 1,621,285,501.08/x - Step 3: Cross multiply
5,352,881,311.86x = 8,028,431,394.99 × 1,621,285,501.08 - Step 4: Simplify right side
5,352,881,311.86x = 13,016,379,417,112,764,416 - Step 5: Solve for x
x = 13,016,379,417,112,764,416/5,352,881,311.86 - Step 6: Final answer
x = 2,431,658,514.13
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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.