Finding the Fourth Proportional to 1,192,695,617.04, 1,642,269,589.38 and 1,189,251,879.36
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Solution
The fourth proportional to 1,192,695,617.04, 1,642,269,589.38 and 1,189,251,879.36 is: 1,637,527,771.28
Step by Step Solution
- Step 1: Write the proportion equation
1,192,695,617.04 : 1,642,269,589.38 = 1,189,251,879.36 : x - Step 2: Convert to fraction form
1,192,695,617.04/1,642,269,589.38 = 1,189,251,879.36/x - Step 3: Cross multiply
1,192,695,617.04x = 1,642,269,589.38 × 1,189,251,879.36 - Step 4: Simplify right side
1,192,695,617.04x = 1,953,072,195,585,940,480 - Step 5: Solve for x
x = 1,953,072,195,585,940,480/1,192,695,617.04 - Step 6: Final answer
x = 1,637,527,771.28
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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.