Finding the Fourth Proportional to 989,529,245.36, 1,364,922,852.28 and 607,884,273.44
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Solution
The fourth proportional to 989,529,245.36, 1,364,922,852.28 and 607,884,273.44 is: 838,494,809.78
Step by Step Solution
- Step 1: Write the proportion equation
989,529,245.36 : 1,364,922,852.28 = 607,884,273.44 : x - Step 2: Convert to fraction form
989,529,245.36/1,364,922,852.28 = 607,884,273.44/x - Step 3: Cross multiply
989,529,245.36x = 1,364,922,852.28 × 607,884,273.44 - Step 4: Simplify right side
989,529,245.36x = 829,715,136,359,880,320 - Step 5: Solve for x
x = 829,715,136,359,880,320/989,529,245.36 - Step 6: Final answer
x = 838,494,809.78
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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.