Finding the Fourth Proportional to 919,375,891.36, 1,378,808,680.56 and 255,237,339.04
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Solution
The fourth proportional to 919,375,891.36, 1,378,808,680.56 and 255,237,339.04 is: 382,785,171.96
Step by Step Solution
- Step 1: Write the proportion equation
919,375,891.36 : 1,378,808,680.56 = 255,237,339.04 : x - Step 2: Convert to fraction form
919,375,891.36/1,378,808,680.56 = 255,237,339.04/x - Step 3: Cross multiply
919,375,891.36x = 1,378,808,680.56 × 255,237,339.04 - Step 4: Simplify right side
919,375,891.36x = 351,923,458,671,387,776 - Step 5: Solve for x
x = 351,923,458,671,387,776/919,375,891.36 - Step 6: Final answer
x = 382,785,171.96
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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.