Finding the Fourth Proportional to 462,027,813.57, 637,629,665.19 and 261,014,970.42
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Solution
The fourth proportional to 462,027,813.57, 637,629,665.19 and 261,014,970.42 is: 360,218,331.69
Step by Step Solution
- Step 1: Write the proportion equation
462,027,813.57 : 637,629,665.19 = 261,014,970.42 : x - Step 2: Convert to fraction form
462,027,813.57/637,629,665.19 = 261,014,970.42/x - Step 3: Cross multiply
462,027,813.57x = 637,629,665.19 × 261,014,970.42 - Step 4: Simplify right side
462,027,813.57x = 166,430,888,198,482,368 - Step 5: Solve for x
x = 166,430,888,198,482,368/462,027,813.57 - Step 6: Final answer
x = 360,218,331.69
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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.