Finding the Fourth Proportional to 468,313,191.10, 646,271,698.84 and 256,625,183.44
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Solution
The fourth proportional to 468,313,191.10, 646,271,698.84 and 256,625,183.44 is: 354,142,476.49
Step by Step Solution
- Step 1: Write the proportion equation
468,313,191.10 : 646,271,698.84 = 256,625,183.44 : x - Step 2: Convert to fraction form
468,313,191.10/646,271,698.84 = 256,625,183.44/x - Step 3: Cross multiply
468,313,191.10x = 646,271,698.84 × 256,625,183.44 - Step 4: Simplify right side
468,313,191.10x = 165,849,593,266,895,456 - Step 5: Solve for x
x = 165,849,593,266,895,456/468,313,191.10 - Step 6: Final answer
x = 354,142,476.49
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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.