Finding the Fourth Proportional to 312,323,037,372.10, 431,014,883,418.57 and 176,987,717,831.62
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Solution
The fourth proportional to 312,323,037,372.10, 431,014,883,418.57 and 176,987,717,831.62 is: 244,248,202,788.93
Step by Step Solution
- Step 1: Write the proportion equation
312,323,037,372.10 : 431,014,883,418.57 = 176,987,717,831.62 : x - Step 2: Convert to fraction form
312,323,037,372.10/431,014,883,418.57 = 176,987,717,831.62/x - Step 3: Cross multiply
312,323,037,372.10x = 431,014,883,418.57 × 176,987,717,831.62 - Step 4: Simplify right side
312,323,037,372.10x = 76,284,340,567,714,463,481,856 - Step 5: Solve for x
x = 76,284,340,567,714,463,481,856/312,323,037,372.10 - Step 6: Final answer
x = 244,248,202,788.93
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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.