Finding the Fourth Proportional to 970,483,313.70, 1,455,724,970.55 and 970,483,313.70
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Solution
The fourth proportional to 970,483,313.70, 1,455,724,970.55 and 970,483,313.70 is: 1,455,724,970.55
Step by Step Solution
- Step 1: Write the proportion equation
970,483,313.70 : 1,455,724,970.55 = 970,483,313.70 : x - Step 2: Convert to fraction form
970,483,313.70/1,455,724,970.55 = 970,483,313.70/x - Step 3: Cross multiply
970,483,313.70x = 1,455,724,970.55 × 970,483,313.70 - Step 4: Simplify right side
970,483,313.70x = 1,412,756,793,255,198,976 - Step 5: Solve for x
x = 1,412,756,793,255,198,976/970,483,313.70 - Step 6: Final answer
x = 1,455,724,970.55
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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.