Finding the Fourth Proportional to 368,593,422.84, 508,655,900.07 and 201,329,790.66
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Solution
The fourth proportional to 368,593,422.84, 508,655,900.07 and 201,329,790.66 is: 277,833,459.67
Step by Step Solution
- Step 1: Write the proportion equation
368,593,422.84 : 508,655,900.07 = 201,329,790.66 : x - Step 2: Convert to fraction form
368,593,422.84/508,655,900.07 = 201,329,790.66/x - Step 3: Cross multiply
368,593,422.84x = 508,655,900.07 × 201,329,790.66 - Step 4: Simplify right side
368,593,422.84x = 102,407,585,879,066,976 - Step 5: Solve for x
x = 102,407,585,879,066,976/368,593,422.84 - Step 6: Final answer
x = 277,833,459.67
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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.