Finding the Fourth Proportional to 480,780,029.80, 721,170,044.70 and 299,381,501.80
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Solution
The fourth proportional to 480,780,029.80, 721,170,044.70 and 299,381,501.80 is: 449,072,252.70
Step by Step Solution
- Step 1: Write the proportion equation
480,780,029.80 : 721,170,044.70 = 299,381,501.80 : x - Step 2: Convert to fraction form
480,780,029.80/721,170,044.70 = 299,381,501.80/x - Step 3: Cross multiply
480,780,029.80x = 721,170,044.70 × 299,381,501.80 - Step 4: Simplify right side
480,780,029.80x = 215,904,971,035,459,168 - Step 5: Solve for x
x = 215,904,971,035,459,168/480,780,029.80 - Step 6: Final answer
x = 449,072,252.70
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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.