Finding the Fourth Proportional to 344,862,000.20, 517,293,000.30 and 307,448,553.80
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Solution
The fourth proportional to 344,862,000.20, 517,293,000.30 and 307,448,553.80 is: 461,172,830.70
Step by Step Solution
- Step 1: Write the proportion equation
344,862,000.20 : 517,293,000.30 = 307,448,553.80 : x - Step 2: Convert to fraction form
344,862,000.20/517,293,000.30 = 307,448,553.80/x - Step 3: Cross multiply
344,862,000.20x = 517,293,000.30 × 307,448,553.80 - Step 4: Simplify right side
344,862,000.20x = 159,040,984,833,097,984 - Step 5: Solve for x
x = 159,040,984,833,097,984/344,862,000.20 - Step 6: Final answer
x = 461,172,830.70
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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.