Finding the Fourth Proportional to 397,414,037.48, 548,337,557.21 and 334,075,189.19
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Solution
The fourth proportional to 397,414,037.48, 548,337,557.21 and 334,075,189.19 is: 460,944,898.49
Step by Step Solution
- Step 1: Write the proportion equation
397,414,037.48 : 548,337,557.21 = 334,075,189.19 : x - Step 2: Convert to fraction form
397,414,037.48/548,337,557.21 = 334,075,189.19/x - Step 3: Cross multiply
397,414,037.48x = 548,337,557.21 × 334,075,189.19 - Step 4: Simplify right side
397,414,037.48x = 183,185,973,160,501,152 - Step 5: Solve for x
x = 183,185,973,160,501,152/397,414,037.48 - Step 6: Final answer
x = 460,944,898.49
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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.