Finding the Fourth Proportional to 7,540,536,570.86, 10,405,940,344.44 and 4,370,559,174.65
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Solution
The fourth proportional to 7,540,536,570.86, 10,405,940,344.44 and 4,370,559,174.65 is: 6,031,371,589.52
Step by Step Solution
- Step 1: Write the proportion equation
7,540,536,570.86 : 10,405,940,344.44 = 4,370,559,174.65 : x - Step 2: Convert to fraction form
7,540,536,570.86/10,405,940,344.44 = 4,370,559,174.65/x - Step 3: Cross multiply
7,540,536,570.86x = 10,405,940,344.44 × 4,370,559,174.65 - Step 4: Simplify right side
7,540,536,570.86x = 45,479,778,043,252,817,920 - Step 5: Solve for x
x = 45,479,778,043,252,817,920/7,540,536,570.86 - Step 6: Final answer
x = 6,031,371,589.52
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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.