Finding the Fourth Proportional to 266,148,171.28, 397,562,566.68 and 197,195,647.68
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Solution
The fourth proportional to 266,148,171.28, 397,562,566.68 and 197,195,647.68 is: 294,563,766.69
Step by Step Solution
- Step 1: Write the proportion equation
266,148,171.28 : 397,562,566.68 = 197,195,647.68 : x - Step 2: Convert to fraction form
266,148,171.28/397,562,566.68 = 197,195,647.68/x - Step 3: Cross multiply
266,148,171.28x = 397,562,566.68 × 197,195,647.68 - Step 4: Simplify right side
266,148,171.28x = 78,397,607,829,785,792 - Step 5: Solve for x
x = 78,397,607,829,785,792/266,148,171.28 - Step 6: Final answer
x = 294,563,766.69
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.