Finding the Fourth Proportional to 1,364,509,230.48, 1,883,022,689.80 and 737,977,643.28
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Solution
The fourth proportional to 1,364,509,230.48, 1,883,022,689.80 and 737,977,643.28 is: 1,018,409,121.62
Step by Step Solution
- Step 1: Write the proportion equation
1,364,509,230.48 : 1,883,022,689.80 = 737,977,643.28 : x - Step 2: Convert to fraction form
1,364,509,230.48/1,883,022,689.80 = 737,977,643.28/x - Step 3: Cross multiply
1,364,509,230.48x = 1,883,022,689.80 × 737,977,643.28 - Step 4: Simplify right side
1,364,509,230.48x = 1,389,628,646,861,370,368 - Step 5: Solve for x
x = 1,389,628,646,861,370,368/1,364,509,230.48 - Step 6: Final answer
x = 1,018,409,121.62
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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.