Finding the Fourth Proportional to 2,981,630,682.66, 4,114,834,431.84 and 1,643,517,754.41
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Solution
The fourth proportional to 2,981,630,682.66, 4,114,834,431.84 and 1,643,517,754.41 is: 2,268,155,974.02
Step by Step Solution
- Step 1: Write the proportion equation
2,981,630,682.66 : 4,114,834,431.84 = 1,643,517,754.41 : x - Step 2: Convert to fraction form
2,981,630,682.66/4,114,834,431.84 = 1,643,517,754.41/x - Step 3: Cross multiply
2,981,630,682.66x = 4,114,834,431.84 × 1,643,517,754.41 - Step 4: Simplify right side
2,981,630,682.66x = 6,762,803,445,186,625,536 - Step 5: Solve for x
x = 6,762,803,445,186,625,536/2,981,630,682.66 - Step 6: Final answer
x = 2,268,155,974.02
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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.