Finding the Fourth Proportional to 640,364,193,271.36, 960,512,460,057.65 and 210,044,594,733.58
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Solution
The fourth proportional to 640,364,193,271.36, 960,512,460,057.65 and 210,044,594,733.58 is: 315,055,795,638.26
Step by Step Solution
- Step 1: Write the proportion equation
640,364,193,271.36 : 960,512,460,057.65 = 210,044,594,733.58 : x - Step 2: Convert to fraction form
640,364,193,271.36/960,512,460,057.65 = 210,044,594,733.58/x - Step 3: Cross multiply
640,364,193,271.36x = 960,512,460,057.65 × 210,044,594,733.58 - Step 4: Simplify right side
640,364,193,271.36x = 201,750,450,409,363,038,273,536 - Step 5: Solve for x
x = 201,750,450,409,363,038,273,536/640,364,193,271.36 - Step 6: Final answer
x = 315,055,795,638.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.