Finding the Fourth Proportional to 504,239,031.98, 755,345,605.79 and 251,084,512.87
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Solution
The fourth proportional to 504,239,031.98, 755,345,605.79 and 251,084,512.87 is: 376,122,377.38
Step by Step Solution
- Step 1: Write the proportion equation
504,239,031.98 : 755,345,605.79 = 251,084,512.87 : x - Step 2: Convert to fraction form
504,239,031.98/755,345,605.79 = 251,084,512.87/x - Step 3: Cross multiply
504,239,031.98x = 755,345,605.79 × 251,084,512.87 - Step 4: Simplify right side
504,239,031.98x = 189,655,583,475,761,152 - Step 5: Solve for x
x = 189,655,583,475,761,152/504,239,031.98 - Step 6: Final answer
x = 376,122,377.38
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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.