Finding the Fourth Proportional to 7,135,857,101.70, 10,703,785,652.55 and 7,135,857,101.70
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Solution
The fourth proportional to 7,135,857,101.70, 10,703,785,652.55 and 7,135,857,101.70 is: 10,703,785,652.55
Step by Step Solution
- Step 1: Write the proportion equation
7,135,857,101.70 : 10,703,785,652.55 = 7,135,857,101.70 : x - Step 2: Convert to fraction form
7,135,857,101.70/10,703,785,652.55 = 7,135,857,101.70/x - Step 3: Cross multiply
7,135,857,101.70x = 10,703,785,652.55 × 7,135,857,101.70 - Step 4: Simplify right side
7,135,857,101.70x = 76,380,684,863,823,478,784 - Step 5: Solve for x
x = 76,380,684,863,823,478,784/7,135,857,101.70 - Step 6: Final answer
x = 10,703,785,652.55
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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.