Finding the Fourth Proportional to 396,976,827.60, 595,465,241.40 and 365,232,085.20
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Solution
The fourth proportional to 396,976,827.60, 595,465,241.40 and 365,232,085.20 is: 547,848,127.80
Step by Step Solution
- Step 1: Write the proportion equation
396,976,827.60 : 595,465,241.40 = 365,232,085.20 : x - Step 2: Convert to fraction form
396,976,827.60/595,465,241.40 = 365,232,085.20/x - Step 3: Cross multiply
396,976,827.60x = 595,465,241.40 × 365,232,085.20 - Step 4: Simplify right side
396,976,827.60x = 217,483,011,780,643,360 - Step 5: Solve for x
x = 217,483,011,780,643,360/396,976,827.60 - Step 6: Final answer
x = 547,848,127.80
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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.