Finding the Fourth Proportional to 512,447,048.64, 768,511,615.98 and 184,879,977.21
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Solution
The fourth proportional to 512,447,048.64, 768,511,615.98 and 184,879,977.21 is: 277,262,617.52
Step by Step Solution
- Step 1: Write the proportion equation
512,447,048.64 : 768,511,615.98 = 184,879,977.21 : x - Step 2: Convert to fraction form
512,447,048.64/768,511,615.98 = 184,879,977.21/x - Step 3: Cross multiply
512,447,048.64x = 768,511,615.98 × 184,879,977.21 - Step 4: Simplify right side
512,447,048.64x = 142,082,410,048,002,688 - Step 5: Solve for x
x = 142,082,410,048,002,688/512,447,048.64 - Step 6: Final answer
x = 277,262,617.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.