Finding the Fourth Proportional to 576,170,393.88, 795,115,081.26 and 311,852,338.68
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Solution
The fourth proportional to 576,170,393.88, 795,115,081.26 and 311,852,338.68 is: 430,356,193.66
Step by Step Solution
- Step 1: Write the proportion equation
576,170,393.88 : 795,115,081.26 = 311,852,338.68 : x - Step 2: Convert to fraction form
576,170,393.88/795,115,081.26 = 311,852,338.68/x - Step 3: Cross multiply
576,170,393.88x = 795,115,081.26 × 311,852,338.68 - Step 4: Simplify right side
576,170,393.88x = 247,958,497,610,669,248 - Step 5: Solve for x
x = 247,958,497,610,669,248/576,170,393.88 - Step 6: Final answer
x = 430,356,193.66
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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.