Finding the Fourth Proportional to 640,364,193,314.58, 960,512,460,122.16 and 210,044,594,776.74
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Solution
The fourth proportional to 640,364,193,314.58, 960,512,460,122.16 and 210,044,594,776.74 is: 315,055,795,702.90
Step by Step Solution
- Step 1: Write the proportion equation
640,364,193,314.58 : 960,512,460,122.16 = 210,044,594,776.74 : x - Step 2: Convert to fraction form
640,364,193,314.58/960,512,460,122.16 = 210,044,594,776.74/x - Step 3: Cross multiply
640,364,193,314.58x = 960,512,460,122.16 × 210,044,594,776.74 - Step 4: Simplify right side
640,364,193,314.58x = 201,750,450,464,368,717,987,840 - Step 5: Solve for x
x = 201,750,450,464,368,717,987,840/640,364,193,314.58 - Step 6: Final answer
x = 315,055,795,702.90
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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.