Finding the Fourth Proportional to 437,598,452.63, 603,878,759.12 and 239,358,213.34
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Solution
The fourth proportional to 437,598,452.63, 603,878,759.12 and 239,358,213.34 is: 330,310,447.82
Step by Step Solution
- Step 1: Write the proportion equation
437,598,452.63 : 603,878,759.12 = 239,358,213.34 : x - Step 2: Convert to fraction form
437,598,452.63/603,878,759.12 = 239,358,213.34/x - Step 3: Cross multiply
437,598,452.63x = 603,878,759.12 × 239,358,213.34 - Step 4: Simplify right side
437,598,452.63x = 144,543,340,856,028,128 - Step 5: Solve for x
x = 144,543,340,856,028,128/437,598,452.63 - Step 6: Final answer
x = 330,310,447.82
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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.