Finding the Fourth Proportional to 4,189,681,778.21, 5,782,018,925.33 and 2,310,081,249.41
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Solution
The fourth proportional to 4,189,681,778.21, 5,782,018,925.33 and 2,310,081,249.41 is: 3,188,054,418.02
Step by Step Solution
- Step 1: Write the proportion equation
4,189,681,778.21 : 5,782,018,925.33 = 2,310,081,249.41 : x - Step 2: Convert to fraction form
4,189,681,778.21/5,782,018,925.33 = 2,310,081,249.41/x - Step 3: Cross multiply
4,189,681,778.21x = 5,782,018,925.33 × 2,310,081,249.41 - Step 4: Simplify right side
4,189,681,778.21x = 13,356,933,503,098,132,480 - Step 5: Solve for x
x = 13,356,933,503,098,132,480/4,189,681,778.21 - Step 6: Final answer
x = 3,188,054,418.02
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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.