Finding the Fourth Proportional to 467,356,845.42, 644,912,269.74 and 258,460,991.46
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Solution
The fourth proportional to 467,356,845.42, 644,912,269.74 and 258,460,991.46 is: 356,653,949.28
Step by Step Solution
- Step 1: Write the proportion equation
467,356,845.42 : 644,912,269.74 = 258,460,991.46 : x - Step 2: Convert to fraction form
467,356,845.42/644,912,269.74 = 258,460,991.46/x - Step 3: Cross multiply
467,356,845.42x = 644,912,269.74 × 258,460,991.46 - Step 4: Simplify right side
467,356,845.42x = 166,684,664,641,719,360 - Step 5: Solve for x
x = 166,684,664,641,719,360/467,356,845.42 - Step 6: Final answer
x = 356,653,949.28
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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.