Finding the Fourth Proportional to 505,529,768.10, 758,294,652.15 and 448,134,140.10
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Solution
The fourth proportional to 505,529,768.10, 758,294,652.15 and 448,134,140.10 is: 672,201,210.15
Step by Step Solution
- Step 1: Write the proportion equation
505,529,768.10 : 758,294,652.15 = 448,134,140.10 : x - Step 2: Convert to fraction form
505,529,768.10/758,294,652.15 = 448,134,140.10/x - Step 3: Cross multiply
505,529,768.10x = 758,294,652.15 × 448,134,140.10 - Step 4: Simplify right side
505,529,768.10x = 339,817,721,883,668,864 - Step 5: Solve for x
x = 339,817,721,883,668,864/505,529,768.10 - Step 6: Final answer
x = 672,201,210.15
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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.