Finding the Fourth Proportional to 422,056,550.84, 582,470,351.74 and 265,557,805.16
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Solution
The fourth proportional to 422,056,550.84, 582,470,351.74 and 265,557,805.16 is: 366,490,101.55
Step by Step Solution
- Step 1: Write the proportion equation
422,056,550.84 : 582,470,351.74 = 265,557,805.16 : x - Step 2: Convert to fraction form
422,056,550.84/582,470,351.74 = 265,557,805.16/x - Step 3: Cross multiply
422,056,550.84x = 582,470,351.74 × 265,557,805.16 - Step 4: Simplify right side
422,056,550.84x = 154,679,548,178,847,584 - Step 5: Solve for x
x = 154,679,548,178,847,584/422,056,550.84 - Step 6: Final answer
x = 366,490,101.55
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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.