Finding the Fourth Proportional to 338,353,778.81, 466,928,214.76 and 191,676,062.81
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Solution
The fourth proportional to 338,353,778.81, 466,928,214.76 and 191,676,062.81 is: 264,512,966.68
Step by Step Solution
- Step 1: Write the proportion equation
338,353,778.81 : 466,928,214.76 = 191,676,062.81 : x - Step 2: Convert to fraction form
338,353,778.81/466,928,214.76 = 191,676,062.81/x - Step 3: Cross multiply
338,353,778.81x = 466,928,214.76 × 191,676,062.81 - Step 4: Simplify right side
338,353,778.81x = 89,498,961,821,507,760 - Step 5: Solve for x
x = 89,498,961,821,507,760/338,353,778.81 - Step 6: Final answer
x = 264,512,966.68
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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.