Finding the Fourth Proportional to 376,437,649.20, 564,656,473.80 and 273,125,518.80
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Solution
The fourth proportional to 376,437,649.20, 564,656,473.80 and 273,125,518.80 is: 409,688,278.20
Step by Step Solution
- Step 1: Write the proportion equation
376,437,649.20 : 564,656,473.80 = 273,125,518.80 : x - Step 2: Convert to fraction form
376,437,649.20/564,656,473.80 = 273,125,518.80/x - Step 3: Cross multiply
376,437,649.20x = 564,656,473.80 × 273,125,518.80 - Step 4: Simplify right side
376,437,649.20x = 154,222,092,350,403,616 - Step 5: Solve for x
x = 154,222,092,350,403,616/376,437,649.20 - Step 6: Final answer
x = 409,688,278.20
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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.