Finding the Fourth Proportional to 635,862,153.84, 954,163,368.36 and 267,370,439.28
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Solution
The fourth proportional to 635,862,153.84, 954,163,368.36 and 267,370,439.28 is: 401,211,296.19
Step by Step Solution
- Step 1: Write the proportion equation
635,862,153.84 : 954,163,368.36 = 267,370,439.28 : x - Step 2: Convert to fraction form
635,862,153.84/954,163,368.36 = 267,370,439.28/x - Step 3: Cross multiply
635,862,153.84x = 954,163,368.36 × 267,370,439.28 - Step 4: Simplify right side
635,862,153.84x = 255,115,078,943,297,664 - Step 5: Solve for x
x = 255,115,078,943,297,664/635,862,153.84 - Step 6: Final answer
x = 401,211,296.19
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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.