Finding the Fourth Proportional to 32,407,993,313.60, 48,581,378,968.80 and 19,153,429,620.80
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Solution
The fourth proportional to 32,407,993,313.60, 48,581,378,968.80 and 19,153,429,620.80 is: 28,712,053,040.63
Step by Step Solution
- Step 1: Write the proportion equation
32,407,993,313.60 : 48,581,378,968.80 = 19,153,429,620.80 : x - Step 2: Convert to fraction form
32,407,993,313.60/48,581,378,968.80 = 19,153,429,620.80/x - Step 3: Cross multiply
32,407,993,313.60x = 48,581,378,968.80 × 19,153,429,620.80 - Step 4: Simplify right side
32,407,993,313.60x = 930,500,022,960,324,083,712 - Step 5: Solve for x
x = 930,500,022,960,324,083,712/32,407,993,313.60 - Step 6: Final answer
x = 28,712,053,040.63
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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.