Finding the Fourth Proportional to 662,776,631.48, 994,267,099.10 and 225,975,163.74
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Solution
The fourth proportional to 662,776,631.48, 994,267,099.10 and 225,975,163.74 is: 338,997,574.52
Step by Step Solution
- Step 1: Write the proportion equation
662,776,631.48 : 994,267,099.10 = 225,975,163.74 : x - Step 2: Convert to fraction form
662,776,631.48/994,267,099.10 = 225,975,163.74/x - Step 3: Cross multiply
662,776,631.48x = 994,267,099.10 × 225,975,163.74 - Step 4: Simplify right side
662,776,631.48x = 224,679,670,520,417,312 - Step 5: Solve for x
x = 224,679,670,520,417,312/662,776,631.48 - Step 6: Final answer
x = 338,997,574.52
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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.