Finding the Fourth Proportional to 974,313,465.80, 1,461,470,198.70 and 974,313,465.80
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Solution
The fourth proportional to 974,313,465.80, 1,461,470,198.70 and 974,313,465.80 is: 1,461,470,198.70
Step by Step Solution
- Step 1: Write the proportion equation
974,313,465.80 : 1,461,470,198.70 = 974,313,465.80 : x - Step 2: Convert to fraction form
974,313,465.80/1,461,470,198.70 = 974,313,465.80/x - Step 3: Cross multiply
974,313,465.80x = 1,461,470,198.70 × 974,313,465.80 - Step 4: Simplify right side
974,313,465.80x = 1,423,930,094,458,811,648 - Step 5: Solve for x
x = 1,423,930,094,458,811,648/974,313,465.80 - Step 6: Final answer
x = 1,461,470,198.70
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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.