Finding the Fourth Proportional to 4,269,420,688.81, 6,395,790,722.82 and 2,941,214,112.36
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Solution
The fourth proportional to 4,269,420,688.81, 6,395,790,722.82 and 2,941,214,112.36 is: 4,406,075,508.77
Step by Step Solution
- Step 1: Write the proportion equation
4,269,420,688.81 : 6,395,790,722.82 = 2,941,214,112.36 : x - Step 2: Convert to fraction form
4,269,420,688.81/6,395,790,722.82 = 2,941,214,112.36/x - Step 3: Cross multiply
4,269,420,688.81x = 6,395,790,722.82 × 2,941,214,112.36 - Step 4: Simplify right side
4,269,420,688.81x = 18,811,389,933,620,019,200 - Step 5: Solve for x
x = 18,811,389,933,620,019,200/4,269,420,688.81 - Step 6: Final answer
x = 4,406,075,508.77
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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.