Finding the Fourth Proportional to 1,917,202,564.60, 2,875,803,846.90 and 1,228,455,028.60
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Solution
The fourth proportional to 1,917,202,564.60, 2,875,803,846.90 and 1,228,455,028.60 is: 1,842,682,542.90
Step by Step Solution
- Step 1: Write the proportion equation
1,917,202,564.60 : 2,875,803,846.90 = 1,228,455,028.60 : x - Step 2: Convert to fraction form
1,917,202,564.60/2,875,803,846.90 = 1,228,455,028.60/x - Step 3: Cross multiply
1,917,202,564.60x = 2,875,803,846.90 × 1,228,455,028.60 - Step 4: Simplify right side
1,917,202,564.60x = 3,532,795,696,991,529,472 - Step 5: Solve for x
x = 3,532,795,696,991,529,472/1,917,202,564.60 - Step 6: Final answer
x = 1,842,682,542.90
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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.