Finding the Fourth Proportional to 2,470,805,527.72, 3,706,205,161.60 and 630,558,246.28
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Solution
The fourth proportional to 2,470,805,527.72, 3,706,205,161.60 and 630,558,246.28 is: 945,836,570.64
Step by Step Solution
- Step 1: Write the proportion equation
2,470,805,527.72 : 3,706,205,161.60 = 630,558,246.28 : x - Step 2: Convert to fraction form
2,470,805,527.72/3,706,205,161.60 = 630,558,246.28/x - Step 3: Cross multiply
2,470,805,527.72x = 3,706,205,161.60 × 630,558,246.28 - Step 4: Simplify right side
2,470,805,527.72x = 2,336,978,227,052,379,648 - Step 5: Solve for x
x = 2,336,978,227,052,379,648/2,470,805,527.72 - Step 6: Final answer
x = 945,836,570.64
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1.5x scale
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.