Finding the Fourth Proportional to 2,313,763,744.40, 3,193,971,497.78 and 1,562,095,130.20
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Solution
The fourth proportional to 2,313,763,744.40, 3,193,971,497.78 and 1,562,095,130.20 is: 2,156,351,241.46
Step by Step Solution
- Step 1: Write the proportion equation
2,313,763,744.40 : 3,193,971,497.78 = 1,562,095,130.20 : x - Step 2: Convert to fraction form
2,313,763,744.40/3,193,971,497.78 = 1,562,095,130.20/x - Step 3: Cross multiply
2,313,763,744.40x = 3,193,971,497.78 × 1,562,095,130.20 - Step 4: Simplify right side
2,313,763,744.40x = 4,989,287,322,679,738,368 - Step 5: Solve for x
x = 4,989,287,322,679,738,368/2,313,763,744.40 - Step 6: Final answer
x = 2,156,351,241.46
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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.