Finding the Fourth Proportional to 330,295,249.20, 455,135,814.48 and 255,501,619.68
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Solution
The fourth proportional to 330,295,249.20, 455,135,814.48 and 255,501,619.68 is: 352,072,692.71
Step by Step Solution
- Step 1: Write the proportion equation
330,295,249.20 : 455,135,814.48 = 255,501,619.68 : x - Step 2: Convert to fraction form
330,295,249.20/455,135,814.48 = 255,501,619.68/x - Step 3: Cross multiply
330,295,249.20x = 455,135,814.48 × 255,501,619.68 - Step 4: Simplify right side
330,295,249.20x = 116,287,937,774,016,000 - Step 5: Solve for x
x = 116,287,937,774,016,000/330,295,249.20 - Step 6: Final answer
x = 352,072,692.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.