Finding the Fourth Proportional to 238,845,226,143.11, 358,269,178,632.87 and 79,667,888,533.49
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Solution
The fourth proportional to 238,845,226,143.11, 358,269,178,632.87 and 79,667,888,533.49 is: 119,502,279,569.14
Step by Step Solution
- Step 1: Write the proportion equation
238,845,226,143.11 : 358,269,178,632.87 = 79,667,888,533.49 : x - Step 2: Convert to fraction form
238,845,226,143.11/358,269,178,632.87 = 79,667,888,533.49/x - Step 3: Cross multiply
238,845,226,143.11x = 358,269,178,632.87 × 79,667,888,533.49 - Step 4: Simplify right side
238,845,226,143.11x = 28,542,548,988,308,504,969,216 - Step 5: Solve for x
x = 28,542,548,988,308,504,969,216/238,845,226,143.11 - Step 6: Final answer
x = 119,502,279,569.14
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.