Finding the Fourth Proportional to 1,613,450,306.71, 2,226,675,448.65 and 899,033,284.68
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Solution
The fourth proportional to 1,613,450,306.71, 2,226,675,448.65 and 899,033,284.68 is: 1,240,729,469.13
Step by Step Solution
- Step 1: Write the proportion equation
1,613,450,306.71 : 2,226,675,448.65 = 899,033,284.68 : x - Step 2: Convert to fraction form
1,613,450,306.71/2,226,675,448.65 = 899,033,284.68/x - Step 3: Cross multiply
1,613,450,306.71x = 2,226,675,448.65 × 899,033,284.68 - Step 4: Simplify right side
1,613,450,306.71x = 2,001,855,342,516,122,112 - Step 5: Solve for x
x = 2,001,855,342,516,122,112/1,613,450,306.71 - Step 6: Final answer
x = 1,240,729,469.13
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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.