Finding the Fourth Proportional to 28,702,901,207.80, 43,054,351,811.70 and 28,702,901,207.80
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Solution
The fourth proportional to 28,702,901,207.80, 43,054,351,811.70 and 28,702,901,207.80 is: 43,054,351,811.70
Step by Step Solution
- Step 1: Write the proportion equation
28,702,901,207.80 : 43,054,351,811.70 = 28,702,901,207.80 : x - Step 2: Convert to fraction form
28,702,901,207.80/43,054,351,811.70 = 28,702,901,207.80/x - Step 3: Cross multiply
28,702,901,207.80x = 43,054,351,811.70 × 28,702,901,207.80 - Step 4: Simplify right side
28,702,901,207.80x = 1,235,784,806,617,089,835,008 - Step 5: Solve for x
x = 1,235,784,806,617,089,835,008/28,702,901,207.80 - Step 6: Final answer
x = 43,054,351,811.70
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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.