Finding the Fourth Proportional to 87,698,344,642.34, 121,020,474,949.80 and 47,599,463,096.42
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Solution
The fourth proportional to 87,698,344,642.34, 121,020,474,949.80 and 47,599,463,096.42 is: 65,685,500,162.83
Step by Step Solution
- Step 1: Write the proportion equation
87,698,344,642.34 : 121,020,474,949.80 = 47,599,463,096.42 : x - Step 2: Convert to fraction form
87,698,344,642.34/121,020,474,949.80 = 47,599,463,096.42/x - Step 3: Cross multiply
87,698,344,642.34x = 121,020,474,949.80 × 47,599,463,096.42 - Step 4: Simplify right side
87,698,344,642.34x = 5,760,509,631,284,226,555,904 - Step 5: Solve for x
x = 5,760,509,631,284,226,555,904/87,698,344,642.34 - Step 6: Final answer
x = 65,685,500,162.83
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1.5x scale
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.