Finding the Fourth Proportional to 775,640,973.43, 1,163,375,515.99 and 277,631,598.13
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Solution
The fourth proportional to 775,640,973.43, 1,163,375,515.99 and 277,631,598.13 is: 416,416,634.49
Step by Step Solution
- Step 1: Write the proportion equation
775,640,973.43 : 1,163,375,515.99 = 277,631,598.13 : x - Step 2: Convert to fraction form
775,640,973.43/1,163,375,515.99 = 277,631,598.13/x - Step 3: Cross multiply
775,640,973.43x = 1,163,375,515.99 × 277,631,598.13 - Step 4: Simplify right side
775,640,973.43x = 322,989,803,729,617,088 - Step 5: Solve for x
x = 322,989,803,729,617,088/775,640,973.43 - Step 6: Final answer
x = 416,416,634.49
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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.