Finding the Fourth Proportional to 358,259,988.08, 494,551,334.76 and 240,853,409.84
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Solution
The fourth proportional to 358,259,988.08, 494,551,334.76 and 240,853,409.84 is: 332,480,263.72
Step by Step Solution
- Step 1: Write the proportion equation
358,259,988.08 : 494,551,334.76 = 240,853,409.84 : x - Step 2: Convert to fraction form
358,259,988.08/494,551,334.76 = 240,853,409.84/x - Step 3: Cross multiply
358,259,988.08x = 494,551,334.76 × 240,853,409.84 - Step 4: Simplify right side
358,259,988.08x = 119,114,375,317,869,312 - Step 5: Solve for x
x = 119,114,375,317,869,312/358,259,988.08 - Step 6: Final answer
x = 332,480,263.72
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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.