Finding the Fourth Proportional to 1,313,751,353.91, 1,812,903,104.34 and 719,034,626.49
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Solution
The fourth proportional to 1,313,751,353.91, 1,812,903,104.34 and 719,034,626.49 is: 992,227,412.45
Step by Step Solution
- Step 1: Write the proportion equation
1,313,751,353.91 : 1,812,903,104.34 = 719,034,626.49 : x - Step 2: Convert to fraction form
1,313,751,353.91/1,812,903,104.34 = 719,034,626.49/x - Step 3: Cross multiply
1,313,751,353.91x = 1,812,903,104.34 × 719,034,626.49 - Step 4: Simplify right side
1,313,751,353.91x = 1,303,540,106,491,673,344 - Step 5: Solve for x
x = 1,303,540,106,491,673,344/1,313,751,353.91 - Step 6: Final answer
x = 992,227,412.45
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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.