Finding the Fourth Proportional to 1,385,283,379.73, 2,081,240,032.39 and 888,267,660.28
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Solution
The fourth proportional to 1,385,283,379.73, 2,081,240,032.39 and 888,267,660.28 is: 1,334,527,101.89
Step by Step Solution
- Step 1: Write the proportion equation
1,385,283,379.73 : 2,081,240,032.39 = 888,267,660.28 : x - Step 2: Convert to fraction form
1,385,283,379.73/2,081,240,032.39 = 888,267,660.28/x - Step 3: Cross multiply
1,385,283,379.73x = 2,081,240,032.39 × 888,267,660.28 - Step 4: Simplify right side
1,385,283,379.73x = 1,848,698,214,044,801,792 - Step 5: Solve for x
x = 1,848,698,214,044,801,792/1,385,283,379.73 - Step 6: Final answer
x = 1,334,527,101.89
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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.