Finding the Fourth Proportional to 422,056,553.82, 582,470,355.88 and 265,557,808.14
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Solution
The fourth proportional to 422,056,553.82, 582,470,355.88 and 265,557,808.14 is: 366,490,105.68
Step by Step Solution
- Step 1: Write the proportion equation
422,056,553.82 : 582,470,355.88 = 265,557,808.14 : x - Step 2: Convert to fraction form
422,056,553.82/582,470,355.88 = 265,557,808.14/x - Step 3: Cross multiply
422,056,553.82x = 582,470,355.88 × 265,557,808.14 - Step 4: Simplify right side
422,056,553.82x = 154,679,551,014,018,560 - Step 5: Solve for x
x = 154,679,551,014,018,560/422,056,553.82 - Step 6: Final answer
x = 366,490,105.68
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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.