Finding the Fourth Proportional to 489,506,284.92, 675,567,470.70 and 365,531,728.44
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Solution
The fourth proportional to 489,506,284.92, 675,567,470.70 and 365,531,728.44 is: 504,470,224.08
Step by Step Solution
- Step 1: Write the proportion equation
489,506,284.92 : 675,567,470.70 = 365,531,728.44 : x - Step 2: Convert to fraction form
489,506,284.92/675,567,470.70 = 365,531,728.44/x - Step 3: Cross multiply
489,506,284.92x = 675,567,470.70 × 365,531,728.44 - Step 4: Simplify right side
489,506,284.92x = 246,941,345,242,810,080 - Step 5: Solve for x
x = 246,941,345,242,810,080/489,506,284.92 - Step 6: Final answer
x = 504,470,224.08
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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.