Finding the Fourth Proportional to 1,993,387,251.21, 2,750,903,272.56 and 1,101,334,494.21
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Solution
The fourth proportional to 1,993,387,251.21, 2,750,903,272.56 and 1,101,334,494.21 is: 1,519,857,550.24
Step by Step Solution
- Step 1: Write the proportion equation
1,993,387,251.21 : 2,750,903,272.56 = 1,101,334,494.21 : x - Step 2: Convert to fraction form
1,993,387,251.21/2,750,903,272.56 = 1,101,334,494.21/x - Step 3: Cross multiply
1,993,387,251.21x = 2,750,903,272.56 × 1,101,334,494.21 - Step 4: Simplify right side
1,993,387,251.21x = 3,029,664,664,305,501,184 - Step 5: Solve for x
x = 3,029,664,664,305,501,184/1,993,387,251.21 - Step 6: Final answer
x = 1,519,857,550.24
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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.