Finding the Fourth Proportional to 5,133,129,969.60, 7,699,694,954.40 and 1,255,736,433.60
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Solution
The fourth proportional to 5,133,129,969.60, 7,699,694,954.40 and 1,255,736,433.60 is: 1,883,604,650.40
Step by Step Solution
- Step 1: Write the proportion equation
5,133,129,969.60 : 7,699,694,954.40 = 1,255,736,433.60 : x - Step 2: Convert to fraction form
5,133,129,969.60/7,699,694,954.40 = 1,255,736,433.60/x - Step 3: Cross multiply
5,133,129,969.60x = 7,699,694,954.40 × 1,255,736,433.60 - Step 4: Simplify right side
5,133,129,969.60x = 9,668,787,481,846,169,600 - Step 5: Solve for x
x = 9,668,787,481,846,169,600/5,133,129,969.60 - Step 6: Final answer
x = 1,883,604,650.40
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Similar ratio
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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.