Finding the Fourth Proportional to 3,630,986,521.60, 5,438,417,625.60 and 2,986,013,977.60
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Solution
The fourth proportional to 3,630,986,521.60, 5,438,417,625.60 and 2,986,013,977.60 is: 4,472,390,891.42
Step by Step Solution
- Step 1: Write the proportion equation
3,630,986,521.60 : 5,438,417,625.60 = 2,986,013,977.60 : x - Step 2: Convert to fraction form
3,630,986,521.60/5,438,417,625.60 = 2,986,013,977.60/x - Step 3: Cross multiply
3,630,986,521.60x = 5,438,417,625.60 × 2,986,013,977.60 - Step 4: Simplify right side
3,630,986,521.60x = 16,239,191,046,067,804,160 - Step 5: Solve for x
x = 16,239,191,046,067,804,160/3,630,986,521.60 - Step 6: Final answer
x = 4,472,390,891.42
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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.