Finding the Fourth Proportional to 3,889,303,291.52, 5,367,238,804.77 and 2,129,170,699.52
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Solution
The fourth proportional to 3,889,303,291.52, 5,367,238,804.77 and 2,129,170,699.52 is: 2,938,255,709.03
Step by Step Solution
- Step 1: Write the proportion equation
3,889,303,291.52 : 5,367,238,804.77 = 2,129,170,699.52 : x - Step 2: Convert to fraction form
3,889,303,291.52/5,367,238,804.77 = 2,129,170,699.52/x - Step 3: Cross multiply
3,889,303,291.52x = 5,367,238,804.77 × 2,129,170,699.52 - Step 4: Simplify right side
3,889,303,291.52x = 11,427,767,600,443,029,504 - Step 5: Solve for x
x = 11,427,767,600,443,029,504/3,889,303,291.52 - Step 6: Final answer
x = 2,938,255,709.03
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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.