Finding the Fourth Proportional to 1,244,348,683.52, 1,717,201,872.18 and 672,131,733.26
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Solution
The fourth proportional to 1,244,348,683.52, 1,717,201,872.18 and 672,131,733.26 is: 927,542,164.02
Step by Step Solution
- Step 1: Write the proportion equation
1,244,348,683.52 : 1,717,201,872.18 = 672,131,733.26 : x - Step 2: Convert to fraction form
1,244,348,683.52/1,717,201,872.18 = 672,131,733.26/x - Step 3: Cross multiply
1,244,348,683.52x = 1,717,201,872.18 × 672,131,733.26 - Step 4: Simplify right side
1,244,348,683.52x = 1,154,185,870,697,074,432 - Step 5: Solve for x
x = 1,154,185,870,697,074,432/1,244,348,683.52 - Step 6: Final answer
x = 927,542,164.02
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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.