Finding the Fourth Proportional to 404,754,646.08, 558,560,772 and 219,115,606.08
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Solution
The fourth proportional to 404,754,646.08, 558,560,772 and 219,115,606.08 is: 302,379,190.15
Step by Step Solution
- Step 1: Write the proportion equation
404,754,646.08 : 558,560,772 = 219,115,606.08 : x - Step 2: Convert to fraction form
404,754,646.08/558,560,772 = 219,115,606.08/x - Step 3: Cross multiply
404,754,646.08x = 558,560,772 × 219,115,606.08 - Step 4: Simplify right side
404,754,646.08x = 122,389,382,089,292,704 - Step 5: Solve for x
x = 122,389,382,089,292,704/404,754,646.08 - Step 6: Final answer
x = 302,379,190.15
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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.