Finding the Fourth Proportional to 3,883,381,415.40, 5,825,242,158.30 and 1,123,289,437.80
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Solution
The fourth proportional to 3,883,381,415.40, 5,825,242,158.30 and 1,123,289,437.80 is: 1,684,983,340.32
Step by Step Solution
- Step 1: Write the proportion equation
3,883,381,415.40 : 5,825,242,158.30 = 1,123,289,437.80 : x - Step 2: Convert to fraction form
3,883,381,415.40/5,825,242,158.30 = 1,123,289,437.80/x - Step 3: Cross multiply
3,883,381,415.40x = 5,825,242,158.30 × 1,123,289,437.80 - Step 4: Simplify right side
3,883,381,415.40x = 6,543,432,989,045,665,792 - Step 5: Solve for x
x = 6,543,432,989,045,665,792/3,883,381,415.40 - Step 6: Final answer
x = 1,684,983,340.32
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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.