Finding the Fourth Proportional to 756,088,110.80, 1,134,132,166.20 and 326,106,414.80
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Solution
The fourth proportional to 756,088,110.80, 1,134,132,166.20 and 326,106,414.80 is: 489,159,622.20
Step by Step Solution
- Step 1: Write the proportion equation
756,088,110.80 : 1,134,132,166.20 = 326,106,414.80 : x - Step 2: Convert to fraction form
756,088,110.80/1,134,132,166.20 = 326,106,414.80/x - Step 3: Cross multiply
756,088,110.80x = 1,134,132,166.20 × 326,106,414.80 - Step 4: Simplify right side
756,088,110.80x = 369,847,774,628,839,744 - Step 5: Solve for x
x = 369,847,774,628,839,744/756,088,110.80 - Step 6: Final answer
x = 489,159,622.20
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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.