Finding the Fourth Proportional to 445,239,551.39, 614,431,303.74 and 247,001,051.30
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Solution
The fourth proportional to 445,239,551.39, 614,431,303.74 and 247,001,051.30 is: 340,861,851.79
Step by Step Solution
- Step 1: Write the proportion equation
445,239,551.39 : 614,431,303.74 = 247,001,051.30 : x - Step 2: Convert to fraction form
445,239,551.39/614,431,303.74 = 247,001,051.30/x - Step 3: Cross multiply
445,239,551.39x = 614,431,303.74 × 247,001,051.30 - Step 4: Simplify right side
445,239,551.39x = 151,765,177,978,640,000 - Step 5: Solve for x
x = 151,765,177,978,640,000/445,239,551.39 - Step 6: Final answer
x = 340,861,851.79
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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.