Finding the Fourth Proportional to 302,465,778.70, 453,698,668.05 and 149,185,266.70
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Solution
The fourth proportional to 302,465,778.70, 453,698,668.05 and 149,185,266.70 is: 223,777,900.05
Step by Step Solution
- Step 1: Write the proportion equation
302,465,778.70 : 453,698,668.05 = 149,185,266.70 : x - Step 2: Convert to fraction form
302,465,778.70/453,698,668.05 = 149,185,266.70/x - Step 3: Cross multiply
302,465,778.70x = 453,698,668.05 × 149,185,266.70 - Step 4: Simplify right side
302,465,778.70x = 67,685,156,794,474,016 - Step 5: Solve for x
x = 67,685,156,794,474,016/302,465,778.70 - Step 6: Final answer
x = 223,777,900.05
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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.