Finding the Fourth Proportional to 468,313,195.10, 646,271,704.36 and 256,625,187.44
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Solution
The fourth proportional to 468,313,195.10, 646,271,704.36 and 256,625,187.44 is: 354,142,482.01
Step by Step Solution
- Step 1: Write the proportion equation
468,313,195.10 : 646,271,704.36 = 256,625,187.44 : x - Step 2: Convert to fraction form
468,313,195.10/646,271,704.36 = 256,625,187.44/x - Step 3: Cross multiply
468,313,195.10x = 646,271,704.36 × 256,625,187.44 - Step 4: Simplify right side
468,313,195.10x = 165,849,597,268,553,280 - Step 5: Solve for x
x = 165,849,597,268,553,280/468,313,195.10 - Step 6: Final answer
x = 354,142,482.01
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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.