Finding the Fourth Proportional to 850,375,555.68, 1,173,518,257.36 and 459,234,979.68
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Solution
The fourth proportional to 850,375,555.68, 1,173,518,257.36 and 459,234,979.68 is: 633,744,266.84
Step by Step Solution
- Step 1: Write the proportion equation
850,375,555.68 : 1,173,518,257.36 = 459,234,979.68 : x - Step 2: Convert to fraction form
850,375,555.68/1,173,518,257.36 = 459,234,979.68/x - Step 3: Cross multiply
850,375,555.68x = 1,173,518,257.36 × 459,234,979.68 - Step 4: Simplify right side
850,375,555.68x = 538,920,633,072,828,544 - Step 5: Solve for x
x = 538,920,633,072,828,544/850,375,555.68 - Step 6: Final answer
x = 633,744,266.84
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1.5x scale
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.