Finding the Fourth Proportional to 449,075,237.70, 673,612,856.55 and 415,482,917.70
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Solution
The fourth proportional to 449,075,237.70, 673,612,856.55 and 415,482,917.70 is: 623,224,376.55
Step by Step Solution
- Step 1: Write the proportion equation
449,075,237.70 : 673,612,856.55 = 415,482,917.70 : x - Step 2: Convert to fraction form
449,075,237.70/673,612,856.55 = 415,482,917.70/x - Step 3: Cross multiply
449,075,237.70x = 673,612,856.55 × 415,482,917.70 - Step 4: Simplify right side
449,075,237.70x = 279,874,635,039,625,536 - Step 5: Solve for x
x = 279,874,635,039,625,536/449,075,237.70 - Step 6: Final answer
x = 623,224,376.55
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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.