Finding the Fourth Proportional to 10,088,686,121.80, 15,133,029,182.70 and 10,088,686,121.80
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Solution
The fourth proportional to 10,088,686,121.80, 15,133,029,182.70 and 10,088,686,121.80 is: 15,133,029,182.70
Step by Step Solution
- Step 1: Write the proportion equation
10,088,686,121.80 : 15,133,029,182.70 = 10,088,686,121.80 : x - Step 2: Convert to fraction form
10,088,686,121.80/15,133,029,182.70 = 10,088,686,121.80/x - Step 3: Cross multiply
10,088,686,121.80x = 15,133,029,182.70 × 10,088,686,121.80 - Step 4: Simplify right side
10,088,686,121.80x = 152,672,381,496,299,880,448 - Step 5: Solve for x
x = 152,672,381,496,299,880,448/10,088,686,121.80 - Step 6: Final answer
x = 15,133,029,182.70
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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.