Finding the Fourth Proportional to 441,558,979.09, 609,355,478.68 and 243,327,567.92
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Solution
The fourth proportional to 441,558,979.09, 609,355,478.68 and 243,327,567.92 is: 335,794,296.22
Step by Step Solution
- Step 1: Write the proportion equation
441,558,979.09 : 609,355,478.68 = 243,327,567.92 : x - Step 2: Convert to fraction form
441,558,979.09/609,355,478.68 = 243,327,567.92/x - Step 3: Cross multiply
441,558,979.09x = 609,355,478.68 × 243,327,567.92 - Step 4: Simplify right side
441,558,979.09x = 148,272,986,622,281,600 - Step 5: Solve for x
x = 148,272,986,622,281,600/441,558,979.09 - Step 6: Final answer
x = 335,794,296.22
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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.