Finding the Fourth Proportional to 775,640,978.44, 1,163,375,523.48 and 277,631,603.14
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Solution
The fourth proportional to 775,640,978.44, 1,163,375,523.48 and 277,631,603.14 is: 416,416,642.00
Step by Step Solution
- Step 1: Write the proportion equation
775,640,978.44 : 1,163,375,523.48 = 277,631,603.14 : x - Step 2: Convert to fraction form
775,640,978.44/1,163,375,523.48 = 277,631,603.14/x - Step 3: Cross multiply
775,640,978.44x = 1,163,375,523.48 × 277,631,603.14 - Step 4: Simplify right side
775,640,978.44x = 322,989,811,637,589,120 - Step 5: Solve for x
x = 322,989,811,637,589,120/775,640,978.44 - Step 6: Final answer
x = 416,416,642.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.