Finding the Fourth Proportional to 246,578,447.19, 340,149,245.88 and 152,462,509.65
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Solution
The fourth proportional to 246,578,447.19, 340,149,245.88 and 152,462,509.65 is: 210,318,494.07
Step by Step Solution
- Step 1: Write the proportion equation
246,578,447.19 : 340,149,245.88 = 152,462,509.65 : x - Step 2: Convert to fraction form
246,578,447.19/340,149,245.88 = 152,462,509.65/x - Step 3: Cross multiply
246,578,447.19x = 340,149,245.88 × 152,462,509.65 - Step 4: Simplify right side
246,578,447.19x = 51,860,007,682,419,728 - Step 5: Solve for x
x = 51,860,007,682,419,728/246,578,447.19 - Step 6: Final answer
x = 210,318,494.07
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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.