Finding the Fourth Proportional to 302,518,981.80, 453,778,472.70 and 295,800,517.80
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Solution
The fourth proportional to 302,518,981.80, 453,778,472.70 and 295,800,517.80 is: 443,700,776.70
Step by Step Solution
- Step 1: Write the proportion equation
302,518,981.80 : 453,778,472.70 = 295,800,517.80 : x - Step 2: Convert to fraction form
302,518,981.80/453,778,472.70 = 295,800,517.80/x - Step 3: Cross multiply
302,518,981.80x = 453,778,472.70 × 295,800,517.80 - Step 4: Simplify right side
302,518,981.80x = 134,227,907,191,153,168 - Step 5: Solve for x
x = 134,227,907,191,153,168/302,518,981.80 - Step 6: Final answer
x = 443,700,776.70
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1.5x scale
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.