Finding the Fourth Proportional to 368,748,198, 508,892,918.04 and 203,732,221.68
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Solution
The fourth proportional to 368,748,198, 508,892,918.04 and 203,732,221.68 is: 281,161,739.51
Step by Step Solution
- Step 1: Write the proportion equation
368,748,198 : 508,892,918.04 = 203,732,221.68 : x - Step 2: Convert to fraction form
368,748,198/508,892,918.04 = 203,732,221.68/x - Step 3: Cross multiply
368,748,198x = 508,892,918.04 × 203,732,221.68 - Step 4: Simplify right side
368,748,198x = 103,677,884,789,507,360 - Step 5: Solve for x
x = 103,677,884,789,507,360/368,748,198 - Step 6: Final answer
x = 281,161,739.51
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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.