Finding the Fourth Proportional to 970,364,355.48, 1,339,749,192.24 and 574,014,673.44
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Solution
The fourth proportional to 970,364,355.48, 1,339,749,192.24 and 574,014,673.44 is: 792,522,613.52
Step by Step Solution
- Step 1: Write the proportion equation
970,364,355.48 : 1,339,749,192.24 = 574,014,673.44 : x - Step 2: Convert to fraction form
970,364,355.48/1,339,749,192.24 = 574,014,673.44/x - Step 3: Cross multiply
970,364,355.48x = 1,339,749,192.24 × 574,014,673.44 - Step 4: Simplify right side
970,364,355.48x = 769,035,695,075,147,520 - Step 5: Solve for x
x = 769,035,695,075,147,520/970,364,355.48 - Step 6: Final answer
x = 792,522,613.52
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.