Finding the Fourth Proportional to 8,518,765,235.18, 12,777,542,508.22 and 2,622,709,668.21
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Solution
The fourth proportional to 8,518,765,235.18, 12,777,542,508.22 and 2,622,709,668.21 is: 3,933,878,132.22
Step by Step Solution
- Step 1: Write the proportion equation
8,518,765,235.18 : 12,777,542,508.22 = 2,622,709,668.21 : x - Step 2: Convert to fraction form
8,518,765,235.18/12,777,542,508.22 = 2,622,709,668.21/x - Step 3: Cross multiply
8,518,765,235.18x = 12,777,542,508.22 × 2,622,709,668.21 - Step 4: Simplify right side
8,518,765,235.18x = 33,511,784,272,195,846,144 - Step 5: Solve for x
x = 33,511,784,272,195,846,144/8,518,765,235.18 - Step 6: Final answer
x = 3,933,878,132.22
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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.