Finding the Fourth Proportional to 302,465,627.20, 453,698,440.80 and 149,185,115.20
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Solution
The fourth proportional to 302,465,627.20, 453,698,440.80 and 149,185,115.20 is: 223,777,672.80
Step by Step Solution
- Step 1: Write the proportion equation
302,465,627.20 : 453,698,440.80 = 149,185,115.20 : x - Step 2: Convert to fraction form
302,465,627.20/453,698,440.80 = 149,185,115.20/x - Step 3: Cross multiply
302,465,627.20x = 453,698,440.80 × 149,185,115.20 - Step 4: Simplify right side
302,465,627.20x = 67,685,054,156,808,376 - Step 5: Solve for x
x = 67,685,054,156,808,376/302,465,627.20 - Step 6: Final answer
x = 223,777,672.80
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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.