Finding the Fourth Proportional to 3,630,986,986.10, 5,438,418,322.35 and 2,986,014,442.10
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Solution
The fourth proportional to 3,630,986,986.10, 5,438,418,322.35 and 2,986,014,442.10 is: 4,472,391,587.99
Step by Step Solution
- Step 1: Write the proportion equation
3,630,986,986.10 : 5,438,418,322.35 = 2,986,014,442.10 : x - Step 2: Convert to fraction form
3,630,986,986.10/5,438,418,322.35 = 2,986,014,442.10/x - Step 3: Cross multiply
3,630,986,986.10x = 5,438,418,322.35 × 2,986,014,442.10 - Step 4: Simplify right side
3,630,986,986.10x = 16,239,195,652,718,354,432 - Step 5: Solve for x
x = 16,239,195,652,718,354,432/3,630,986,986.10 - Step 6: Final answer
x = 4,472,391,587.99
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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.