Finding the Fourth Proportional to 302,702,372.46, 417,729,257.98 and 163,473,120.80
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Solution
The fourth proportional to 302,702,372.46, 417,729,257.98 and 163,473,120.80 is: 225,592,898.06
Step by Step Solution
- Step 1: Write the proportion equation
302,702,372.46 : 417,729,257.98 = 163,473,120.80 : x - Step 2: Convert to fraction form
302,702,372.46/417,729,257.98 = 163,473,120.80/x - Step 3: Cross multiply
302,702,372.46x = 417,729,257.98 × 163,473,120.80 - Step 4: Simplify right side
302,702,372.46x = 68,287,505,451,458,912 - Step 5: Solve for x
x = 68,287,505,451,458,912/302,702,372.46 - Step 6: Final answer
x = 225,592,898.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.