Finding the Fourth Proportional to 3,557,249,029.33, 4,909,057,346.73 and 1,949,691,162.36
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Solution
The fourth proportional to 3,557,249,029.33, 4,909,057,346.73 and 1,949,691,162.36 is: 2,690,603,228.94
Step by Step Solution
- Step 1: Write the proportion equation
3,557,249,029.33 : 4,909,057,346.73 = 1,949,691,162.36 : x - Step 2: Convert to fraction form
3,557,249,029.33/4,909,057,346.73 = 1,949,691,162.36/x - Step 3: Cross multiply
3,557,249,029.33x = 4,909,057,346.73 × 1,949,691,162.36 - Step 4: Simplify right side
3,557,249,029.33x = 9,571,145,724,457,633,792 - Step 5: Solve for x
x = 9,571,145,724,457,633,792/3,557,249,029.33 - Step 6: Final answer
x = 2,690,603,228.94
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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.