Finding the Fourth Proportional to 971,752,277.70, 1,457,628,416.55 and 971,752,277.70
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Solution
The fourth proportional to 971,752,277.70, 1,457,628,416.55 and 971,752,277.70 is: 1,457,628,416.55
Step by Step Solution
- Step 1: Write the proportion equation
971,752,277.70 : 1,457,628,416.55 = 971,752,277.70 : x - Step 2: Convert to fraction form
971,752,277.70/1,457,628,416.55 = 971,752,277.70/x - Step 3: Cross multiply
971,752,277.70x = 1,457,628,416.55 × 971,752,277.70 - Step 4: Simplify right side
971,752,277.70x = 1,416,453,733,822,706,944 - Step 5: Solve for x
x = 1,416,453,733,822,706,944/971,752,277.70 - Step 6: Final answer
x = 1,457,628,416.55
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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.