Finding the Fourth Proportional to 505,344,730.12, 697,380,535.22 and 296,504,425.48
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Solution
The fourth proportional to 505,344,730.12, 697,380,535.22 and 296,504,425.48 is: 409,178,927.99
Step by Step Solution
- Step 1: Write the proportion equation
505,344,730.12 : 697,380,535.22 = 296,504,425.48 : x - Step 2: Convert to fraction form
505,344,730.12/697,380,535.22 = 296,504,425.48/x - Step 3: Cross multiply
505,344,730.12x = 697,380,535.22 × 296,504,425.48 - Step 4: Simplify right side
505,344,730.12x = 206,776,414,936,341,024 - Step 5: Solve for x
x = 206,776,414,936,341,024/505,344,730.12 - Step 6: Final answer
x = 409,178,927.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.