Finding the Fourth Proportional to 775,640,970.92, 1,163,375,512.25 and 277,631,595.63
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Solution
The fourth proportional to 775,640,970.92, 1,163,375,512.25 and 277,631,595.63 is: 416,416,630.75
Step by Step Solution
- Step 1: Write the proportion equation
775,640,970.92 : 1,163,375,512.25 = 277,631,595.63 : x - Step 2: Convert to fraction form
775,640,970.92/1,163,375,512.25 = 277,631,595.63/x - Step 3: Cross multiply
775,640,970.92x = 1,163,375,512.25 × 277,631,595.63 - Step 4: Simplify right side
775,640,970.92x = 322,989,799,781,447,936 - Step 5: Solve for x
x = 322,989,799,781,447,936/775,640,970.92 - Step 6: Final answer
x = 416,416,630.75
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1.5x scale
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.