Finding the Fourth Proportional to 1,367,255,414.14, 1,886,814,386.07 and 740,723,842.09
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Solution
The fourth proportional to 1,367,255,414.14, 1,886,814,386.07 and 740,723,842.09 is: 1,022,199,939.32
Step by Step Solution
- Step 1: Write the proportion equation
1,367,255,414.14 : 1,886,814,386.07 = 740,723,842.09 : x - Step 2: Convert to fraction form
1,367,255,414.14/1,886,814,386.07 = 740,723,842.09/x - Step 3: Cross multiply
1,367,255,414.14x = 1,886,814,386.07 × 740,723,842.09 - Step 4: Simplify right side
1,367,255,414.14x = 1,397,608,401,360,072,704 - Step 5: Solve for x
x = 1,397,608,401,360,072,704/1,367,255,414.14 - Step 6: Final answer
x = 1,022,199,939.32
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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.