Finding the Fourth Proportional to 371,332,736.21, 556,079,731.36 and 272,730,627.59
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Solution
The fourth proportional to 371,332,736.21, 556,079,731.36 and 272,730,627.59 is: 408,420,694.79
Step by Step Solution
- Step 1: Write the proportion equation
371,332,736.21 : 556,079,731.36 = 272,730,627.59 : x - Step 2: Convert to fraction form
371,332,736.21/556,079,731.36 = 272,730,627.59/x - Step 3: Cross multiply
371,332,736.21x = 556,079,731.36 × 272,730,627.59 - Step 4: Simplify right side
371,332,736.21x = 151,659,974,120,429,152 - Step 5: Solve for x
x = 151,659,974,120,429,152/371,332,736.21 - Step 6: Final answer
x = 408,420,694.79
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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.