Finding the Fourth Proportional to 368,584,278.48, 508,642,955.66 and 201,320,504.91
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Solution
The fourth proportional to 368,584,278.48, 508,642,955.66 and 201,320,504.91 is: 277,820,467.75
Step by Step Solution
- Step 1: Write the proportion equation
368,584,278.48 : 508,642,955.66 = 201,320,504.91 : x - Step 2: Convert to fraction form
368,584,278.48/508,642,955.66 = 201,320,504.91/x - Step 3: Cross multiply
368,584,278.48x = 508,642,955.66 × 201,320,504.91 - Step 4: Simplify right side
368,584,278.48x = 102,400,256,651,379,328 - Step 5: Solve for x
x = 102,400,256,651,379,328/368,584,278.48 - Step 6: Final answer
x = 277,820,467.75
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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.