Finding the Fourth Proportional to 437,598,441.36, 603,878,743.60 and 239,358,202.11
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Solution
The fourth proportional to 437,598,441.36, 603,878,743.60 and 239,358,202.11 is: 330,310,432.35
Step by Step Solution
- Step 1: Write the proportion equation
437,598,441.36 : 603,878,743.60 = 239,358,202.11 : x - Step 2: Convert to fraction form
437,598,441.36/603,878,743.60 = 239,358,202.11/x - Step 3: Cross multiply
437,598,441.36x = 603,878,743.60 × 239,358,202.11 - Step 4: Simplify right side
437,598,441.36x = 144,543,330,359,943,264 - Step 5: Solve for x
x = 144,543,330,359,943,264/437,598,441.36 - Step 6: Final answer
x = 330,310,432.35
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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.