Finding the Fourth Proportional to 963,172,229.10, 1,444,758,343.65 and 657,062,213.10
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Solution
The fourth proportional to 963,172,229.10, 1,444,758,343.65 and 657,062,213.10 is: 985,593,319.65
Step by Step Solution
- Step 1: Write the proportion equation
963,172,229.10 : 1,444,758,343.65 = 657,062,213.10 : x - Step 2: Convert to fraction form
963,172,229.10/1,444,758,343.65 = 657,062,213.10/x - Step 3: Cross multiply
963,172,229.10x = 1,444,758,343.65 × 657,062,213.10 - Step 4: Simplify right side
963,172,229.10x = 949,296,114,673,359,488 - Step 5: Solve for x
x = 949,296,114,673,359,488/963,172,229.10 - Step 6: Final answer
x = 985,593,319.65
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Double scale
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Similar ratio
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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.