Finding the Fourth Proportional to 1,951,950,399.36, 2,928,019,765.44 and 641,823,446.40
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Solution
The fourth proportional to 1,951,950,399.36, 2,928,019,765.44 and 641,823,446.40 is: 962,766,132.58
Step by Step Solution
- Step 1: Write the proportion equation
1,951,950,399.36 : 2,928,019,765.44 = 641,823,446.40 : x - Step 2: Convert to fraction form
1,951,950,399.36/2,928,019,765.44 = 641,823,446.40/x - Step 3: Cross multiply
1,951,950,399.36x = 2,928,019,765.44 × 641,823,446.40 - Step 4: Simplify right side
1,951,950,399.36x = 1,879,271,736,982,020,352 - Step 5: Solve for x
x = 1,879,271,736,982,020,352/1,951,950,399.36 - Step 6: Final answer
x = 962,766,132.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.