Finding the Fourth Proportional to 1,949,825,385.96, 2,690,052,890.76 and 1,281,130,584.18
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Solution
The fourth proportional to 1,949,825,385.96, 2,690,052,890.76 and 1,281,130,584.18 is: 1,767,496,236.45
Step by Step Solution
- Step 1: Write the proportion equation
1,949,825,385.96 : 2,690,052,890.76 = 1,281,130,584.18 : x - Step 2: Convert to fraction form
1,949,825,385.96/2,690,052,890.76 = 1,281,130,584.18/x - Step 3: Cross multiply
1,949,825,385.96x = 2,690,052,890.76 × 1,281,130,584.18 - Step 4: Simplify right side
1,949,825,385.96x = 3,446,309,031,414,456,832 - Step 5: Solve for x
x = 3,446,309,031,414,456,832/1,949,825,385.96 - Step 6: Final answer
x = 1,767,496,236.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.