Finding the Fourth Proportional to 368,629,109.28, 508,698,426.96 and 203,613,135.84
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Solution
The fourth proportional to 368,629,109.28, 508,698,426.96 and 203,613,135.84 is: 280,980,745.42
Step by Step Solution
- Step 1: Write the proportion equation
368,629,109.28 : 508,698,426.96 = 203,613,135.84 : x - Step 2: Convert to fraction form
368,629,109.28/508,698,426.96 = 203,613,135.84/x - Step 3: Cross multiply
368,629,109.28x = 508,698,426.96 × 203,613,135.84 - Step 4: Simplify right side
368,629,109.28x = 103,577,681,910,200,800 - Step 5: Solve for x
x = 103,577,681,910,200,800/368,629,109.28 - Step 6: Final answer
x = 280,980,745.42
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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.