Finding the Fourth Proportional to 396,976,844.10, 595,465,266.15 and 365,232,101.70
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Solution
The fourth proportional to 396,976,844.10, 595,465,266.15 and 365,232,101.70 is: 547,848,152.55
Step by Step Solution
- Step 1: Write the proportion equation
396,976,844.10 : 595,465,266.15 = 365,232,101.70 : x - Step 2: Convert to fraction form
396,976,844.10/595,465,266.15 = 365,232,101.70/x - Step 3: Cross multiply
396,976,844.10x = 595,465,266.15 × 365,232,101.70 - Step 4: Simplify right side
396,976,844.10x = 217,483,030,645,314,336 - Step 5: Solve for x
x = 217,483,030,645,314,336/396,976,844.10 - Step 6: Final answer
x = 547,848,152.55
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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.