Finding the Fourth Proportional to 8,957,958,047.70, 13,436,937,071.55 and 5,088,122,783.70
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Solution
The fourth proportional to 8,957,958,047.70, 13,436,937,071.55 and 5,088,122,783.70 is: 7,632,184,175.55
Step by Step Solution
- Step 1: Write the proportion equation
8,957,958,047.70 : 13,436,937,071.55 = 5,088,122,783.70 : x - Step 2: Convert to fraction form
8,957,958,047.70/13,436,937,071.55 = 5,088,122,783.70/x - Step 3: Cross multiply
8,957,958,047.70x = 13,436,937,071.55 × 5,088,122,783.70 - Step 4: Simplify right side
8,957,958,047.70x = 68,368,785,656,896,708,608 - Step 5: Solve for x
x = 68,368,785,656,896,708,608/8,957,958,047.70 - Step 6: Final answer
x = 7,632,184,175.55
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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.