Finding the Fourth Proportional to 2,987,408,149.44, 4,124,483,788.05 and 1,901,702,632.83
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Solution
The fourth proportional to 2,987,408,149.44, 4,124,483,788.05 and 1,901,702,632.83 is: 2,625,534,003.54
Step by Step Solution
- Step 1: Write the proportion equation
2,987,408,149.44 : 4,124,483,788.05 = 1,901,702,632.83 : x - Step 2: Convert to fraction form
2,987,408,149.44/4,124,483,788.05 = 1,901,702,632.83/x - Step 3: Cross multiply
2,987,408,149.44x = 4,124,483,788.05 × 1,901,702,632.83 - Step 4: Simplify right side
2,987,408,149.44x = 7,843,541,678,799,336,448 - Step 5: Solve for x
x = 7,843,541,678,799,336,448/2,987,408,149.44 - Step 6: Final answer
x = 2,625,534,003.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.