Finding the Fourth Proportional to 1,176,839,240.48, 1,624,038,074.88 and 682,088,927.12
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Solution
The fourth proportional to 1,176,839,240.48, 1,624,038,074.88 and 682,088,927.12 is: 941,282,674.81
Step by Step Solution
- Step 1: Write the proportion equation
1,176,839,240.48 : 1,624,038,074.88 = 682,088,927.12 : x - Step 2: Convert to fraction form
1,176,839,240.48/1,624,038,074.88 = 682,088,927.12/x - Step 3: Cross multiply
1,176,839,240.48x = 1,624,038,074.88 × 682,088,927.12 - Step 4: Simplify right side
1,176,839,240.48x = 1,107,738,388,096,929,536 - Step 5: Solve for x
x = 1,107,738,388,096,929,536/1,176,839,240.48 - Step 6: Final answer
x = 941,282,674.81
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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.