Finding the Fourth Proportional to 327,486,866.29, 488,723,942.08 and 292,550,921.15
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Solution
The fourth proportional to 327,486,866.29, 488,723,942.08 and 292,550,921.15 is: 436,587,399.87
Step by Step Solution
- Step 1: Write the proportion equation
327,486,866.29 : 488,723,942.08 = 292,550,921.15 : x - Step 2: Convert to fraction form
327,486,866.29/488,723,942.08 = 292,550,921.15/x - Step 3: Cross multiply
327,486,866.29x = 488,723,942.08 × 292,550,921.15 - Step 4: Simplify right side
327,486,866.29x = 142,976,639,446,908,720 - Step 5: Solve for x
x = 142,976,639,446,908,720/327,486,866.29 - Step 6: Final answer
x = 436,587,399.87
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.