Finding the Fourth Proportional to 1,702,391,412.24, 2,349,299,087.76 and 920,110,260.24
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Solution
The fourth proportional to 1,702,391,412.24, 2,349,299,087.76 and 920,110,260.24 is: 1,269,751,585.61
Step by Step Solution
- Step 1: Write the proportion equation
1,702,391,412.24 : 2,349,299,087.76 = 920,110,260.24 : x - Step 2: Convert to fraction form
1,702,391,412.24/2,349,299,087.76 = 920,110,260.24/x - Step 3: Cross multiply
1,702,391,412.24x = 2,349,299,087.76 × 920,110,260.24 - Step 4: Simplify right side
1,702,391,412.24x = 2,161,614,195,020,448,512 - Step 5: Solve for x
x = 2,161,614,195,020,448,512/1,702,391,412.24 - Step 6: Final answer
x = 1,269,751,585.61
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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.