Finding the Fourth Proportional to 463,449,334.11, 639,560,339.37 and 254,618,928.84
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Solution
The fourth proportional to 463,449,334.11, 639,560,339.37 and 254,618,928.84 is: 351,374,263.71
Step by Step Solution
- Step 1: Write the proportion equation
463,449,334.11 : 639,560,339.37 = 254,618,928.84 : x - Step 2: Convert to fraction form
463,449,334.11/639,560,339.37 = 254,618,928.84/x - Step 3: Cross multiply
463,449,334.11x = 639,560,339.37 × 254,618,928.84 - Step 4: Simplify right side
463,449,334.11x = 162,844,168,538,936,288 - Step 5: Solve for x
x = 162,844,168,538,936,288/463,449,334.11 - Step 6: Final answer
x = 351,374,263.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.