Finding the Fourth Proportional to 9,489,723,132.92, 13,095,817,639.99 and 5,260,624,305.08
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Solution
The fourth proportional to 9,489,723,132.92, 13,095,817,639.99 and 5,260,624,305.08 is: 7,259,661,383.88
Step by Step Solution
- Step 1: Write the proportion equation
9,489,723,132.92 : 13,095,817,639.99 = 5,260,624,305.08 : x - Step 2: Convert to fraction form
9,489,723,132.92/13,095,817,639.99 = 5,260,624,305.08/x - Step 3: Cross multiply
9,489,723,132.92x = 13,095,817,639.99 × 5,260,624,305.08 - Step 4: Simplify right side
9,489,723,132.92x = 68,892,176,571,750,801,408 - Step 5: Solve for x
x = 68,892,176,571,750,801,408/9,489,723,132.92 - Step 6: Final answer
x = 7,259,661,383.88
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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.