Finding the Fourth Proportional to 87,698,344,640.84, 121,020,474,947.73 and 47,599,463,094.92
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Solution
The fourth proportional to 87,698,344,640.84, 121,020,474,947.73 and 47,599,463,094.92 is: 65,685,500,160.76
Step by Step Solution
- Step 1: Write the proportion equation
87,698,344,640.84 : 121,020,474,947.73 = 47,599,463,094.92 : x - Step 2: Convert to fraction form
87,698,344,640.84/121,020,474,947.73 = 47,599,463,094.92/x - Step 3: Cross multiply
87,698,344,640.84x = 121,020,474,947.73 × 47,599,463,094.92 - Step 4: Simplify right side
87,698,344,640.84x = 5,760,509,631,004,164,489,216 - Step 5: Solve for x
x = 5,760,509,631,004,164,489,216/87,698,344,640.84 - Step 6: Final answer
x = 65,685,500,160.76
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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.