Finding the Fourth Proportional to 298,079,534.80, 447,119,302.20 and 93,628,277.20
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Solution
The fourth proportional to 298,079,534.80, 447,119,302.20 and 93,628,277.20 is: 140,442,415.80
Step by Step Solution
- Step 1: Write the proportion equation
298,079,534.80 : 447,119,302.20 = 93,628,277.20 : x - Step 2: Convert to fraction form
298,079,534.80/447,119,302.20 = 93,628,277.20/x - Step 3: Cross multiply
298,079,534.80x = 447,119,302.20 × 93,628,277.20 - Step 4: Simplify right side
298,079,534.80x = 41,863,009,967,852,168 - Step 5: Solve for x
x = 41,863,009,967,852,168/298,079,534.80 - Step 6: Final answer
x = 140,442,415.80
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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.