Finding the Fourth Proportional to 245,289,768.30, 367,934,652.45 and 201,451,790.70
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Solution
The fourth proportional to 245,289,768.30, 367,934,652.45 and 201,451,790.70 is: 302,177,686.05
Step by Step Solution
- Step 1: Write the proportion equation
245,289,768.30 : 367,934,652.45 = 201,451,790.70 : x - Step 2: Convert to fraction form
245,289,768.30/367,934,652.45 = 201,451,790.70/x - Step 3: Cross multiply
245,289,768.30x = 367,934,652.45 × 201,451,790.70 - Step 4: Simplify right side
245,289,768.30x = 74,121,094,596,634,640 - Step 5: Solve for x
x = 74,121,094,596,634,640/245,289,768.30 - Step 6: Final answer
x = 302,177,686.05
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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.