Finding the Fourth Proportional to 7,646,682,901.80, 11,470,024,352.70 and 7,646,682,901.80
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Solution
The fourth proportional to 7,646,682,901.80, 11,470,024,352.70 and 7,646,682,901.80 is: 11,470,024,352.70
Step by Step Solution
- Step 1: Write the proportion equation
7,646,682,901.80 : 11,470,024,352.70 = 7,646,682,901.80 : x - Step 2: Convert to fraction form
7,646,682,901.80/11,470,024,352.70 = 7,646,682,901.80/x - Step 3: Cross multiply
7,646,682,901.80x = 11,470,024,352.70 × 7,646,682,901.80 - Step 4: Simplify right side
7,646,682,901.80x = 87,707,639,101,020,717,056 - Step 5: Solve for x
x = 87,707,639,101,020,717,056/7,646,682,901.80 - Step 6: Final answer
x = 11,470,024,352.70
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Double scale
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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.