Finding the Fourth Proportional to 368,584,282.11, 508,642,960.66 and 201,320,508.54
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Solution
The fourth proportional to 368,584,282.11, 508,642,960.66 and 201,320,508.54 is: 277,820,472.75
Step by Step Solution
- Step 1: Write the proportion equation
368,584,282.11 : 508,642,960.66 = 201,320,508.54 : x - Step 2: Convert to fraction form
368,584,282.11/508,642,960.66 = 201,320,508.54/x - Step 3: Cross multiply
368,584,282.11x = 508,642,960.66 × 201,320,508.54 - Step 4: Simplify right side
368,584,282.11x = 102,400,259,505,362,416 - Step 5: Solve for x
x = 102,400,259,505,362,416/368,584,282.11 - Step 6: Final answer
x = 277,820,472.75
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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.