Finding the Fourth Proportional to 743,134,262.33, 1,115,136,064.49 and 277,117,635.24
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Solution
The fourth proportional to 743,134,262.33, 1,115,136,064.49 and 277,117,635.24 is: 415,838,543.35
Step by Step Solution
- Step 1: Write the proportion equation
743,134,262.33 : 1,115,136,064.49 = 277,117,635.24 : x - Step 2: Convert to fraction form
743,134,262.33/1,115,136,064.49 = 277,117,635.24/x - Step 3: Cross multiply
743,134,262.33x = 1,115,136,064.49 × 277,117,635.24 - Step 4: Simplify right side
743,134,262.33x = 309,023,869,164,257,408 - Step 5: Solve for x
x = 309,023,869,164,257,408/743,134,262.33 - Step 6: Final answer
x = 415,838,543.35
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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.