Finding the Fourth Proportional to 302,661,145.80, 453,991,718.70 and 229,481,720.10
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Solution
The fourth proportional to 302,661,145.80, 453,991,718.70 and 229,481,720.10 is: 344,222,580.15
Step by Step Solution
- Step 1: Write the proportion equation
302,661,145.80 : 453,991,718.70 = 229,481,720.10 : x - Step 2: Convert to fraction form
302,661,145.80/453,991,718.70 = 229,481,720.10/x - Step 3: Cross multiply
302,661,145.80x = 453,991,718.70 × 229,481,720.10 - Step 4: Simplify right side
302,661,145.80x = 104,182,800,518,431,328 - Step 5: Solve for x
x = 104,182,800,518,431,328/302,661,145.80 - Step 6: Final answer
x = 344,222,580.15
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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.