Finding the Fourth Proportional to 1,375,002,523.44, 1,893,888,879.84 and 1,056,854,371.68
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Solution
The fourth proportional to 1,375,002,523.44, 1,893,888,879.84 and 1,056,854,371.68 is: 1,455,680,777.32
Step by Step Solution
- Step 1: Write the proportion equation
1,375,002,523.44 : 1,893,888,879.84 = 1,056,854,371.68 : x - Step 2: Convert to fraction form
1,375,002,523.44/1,893,888,879.84 = 1,056,854,371.68/x - Step 3: Cross multiply
1,375,002,523.44x = 1,893,888,879.84 × 1,056,854,371.68 - Step 4: Simplify right side
1,375,002,523.44x = 2,001,564,742,135,042,048 - Step 5: Solve for x
x = 2,001,564,742,135,042,048/1,375,002,523.44 - Step 6: Final answer
x = 1,455,680,777.32
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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.