Finding the Fourth Proportional to 1,613,450,305.71, 2,226,675,447.27 and 899,033,283.68
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Solution
The fourth proportional to 1,613,450,305.71, 2,226,675,447.27 and 899,033,283.68 is: 1,240,729,467.75
Step by Step Solution
- Step 1: Write the proportion equation
1,613,450,305.71 : 2,226,675,447.27 = 899,033,283.68 : x - Step 2: Convert to fraction form
1,613,450,305.71/2,226,675,447.27 = 899,033,283.68/x - Step 3: Cross multiply
1,613,450,305.71x = 2,226,675,447.27 × 899,033,283.68 - Step 4: Simplify right side
1,613,450,305.71x = 2,001,855,339,037,736,448 - Step 5: Solve for x
x = 2,001,855,339,037,736,448/1,613,450,305.71 - Step 6: Final answer
x = 1,240,729,467.75
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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.