Finding the Fourth Proportional to 410,303,968.98, 566,220,391.38 and 222,134,245.98
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Solution
The fourth proportional to 410,303,968.98, 566,220,391.38 and 222,134,245.98 is: 306,545,754.38
Step by Step Solution
- Step 1: Write the proportion equation
410,303,968.98 : 566,220,391.38 = 222,134,245.98 : x - Step 2: Convert to fraction form
410,303,968.98/566,220,391.38 = 222,134,245.98/x - Step 3: Cross multiply
410,303,968.98x = 566,220,391.38 × 222,134,245.98 - Step 4: Simplify right side
410,303,968.98x = 125,776,939,697,696,784 - Step 5: Solve for x
x = 125,776,939,697,696,784/410,303,968.98 - Step 6: Final answer
x = 306,545,754.38
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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.