Finding the Fourth Proportional to 2,193,583,977.05, 3,026,890,505.25 and 1,228,020,750.81
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Solution
The fourth proportional to 2,193,583,977.05, 3,026,890,505.25 and 1,228,020,750.81 is: 1,694,525,666.57
Step by Step Solution
- Step 1: Write the proportion equation
2,193,583,977.05 : 3,026,890,505.25 = 1,228,020,750.81 : x - Step 2: Convert to fraction form
2,193,583,977.05/3,026,890,505.25 = 1,228,020,750.81/x - Step 3: Cross multiply
2,193,583,977.05x = 3,026,890,505.25 × 1,228,020,750.81 - Step 4: Simplify right side
2,193,583,977.05x = 3,717,084,350,876,765,184 - Step 5: Solve for x
x = 3,717,084,350,876,765,184/2,193,583,977.05 - Step 6: Final answer
x = 1,694,525,666.57
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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.