Finding the Fourth Proportional to 659,169,769.29, 910,409,249.16 and 434,114,801.09
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Solution
The fourth proportional to 659,169,769.29, 910,409,249.16 and 434,114,801.09 is: 599,575,630.62
Step by Step Solution
- Step 1: Write the proportion equation
659,169,769.29 : 910,409,249.16 = 434,114,801.09 : x - Step 2: Convert to fraction form
659,169,769.29/910,409,249.16 = 434,114,801.09/x - Step 3: Cross multiply
659,169,769.29x = 910,409,249.16 × 434,114,801.09 - Step 4: Simplify right side
659,169,769.29x = 395,222,130,108,451,648 - Step 5: Solve for x
x = 395,222,130,108,451,648/659,169,769.29 - Step 6: Final answer
x = 599,575,630.62
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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.