Finding the Fourth Proportional to 338,275,471,558.88, 466,832,424,673.68 and 193,787,526,313.28
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Solution
The fourth proportional to 338,275,471,558.88, 466,832,424,673.68 and 193,787,526,313.28 is: 267,433,817,661.82
Step by Step Solution
- Step 1: Write the proportion equation
338,275,471,558.88 : 466,832,424,673.68 = 193,787,526,313.28 : x - Step 2: Convert to fraction form
338,275,471,558.88/466,832,424,673.68 = 193,787,526,313.28/x - Step 3: Cross multiply
338,275,471,558.88x = 466,832,424,673.68 × 193,787,526,313.28 - Step 4: Simplify right side
338,275,471,558.88x = 90,466,300,780,343,063,478,272 - Step 5: Solve for x
x = 90,466,300,780,343,063,478,272/338,275,471,558.88 - Step 6: Final answer
x = 267,433,817,661.82
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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.