Finding the Fourth Proportional to 870,178,183.19, 1,305,303,294.67 and 256,762,408.94
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Solution
The fourth proportional to 870,178,183.19, 1,305,303,294.67 and 256,762,408.94 is: 385,154,241.75
Step by Step Solution
- Step 1: Write the proportion equation
870,178,183.19 : 1,305,303,294.67 = 256,762,408.94 : x - Step 2: Convert to fraction form
870,178,183.19/1,305,303,294.67 = 256,762,408.94/x - Step 3: Cross multiply
870,178,183.19x = 1,305,303,294.67 × 256,762,408.94 - Step 4: Simplify right side
870,178,183.19x = 335,152,818,336,787,904 - Step 5: Solve for x
x = 335,152,818,336,787,904/870,178,183.19 - Step 6: Final answer
x = 385,154,241.75
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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.