Finding the Fourth Proportional to 2,155,568,383.80, 2,974,667,043.02 and 1,251,408,214.98
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Solution
The fourth proportional to 2,155,568,383.80, 2,974,667,043.02 and 1,251,408,214.98 is: 1,726,933,277.75
Step by Step Solution
- Step 1: Write the proportion equation
2,155,568,383.80 : 2,974,667,043.02 = 1,251,408,214.98 : x - Step 2: Convert to fraction form
2,155,568,383.80/2,974,667,043.02 = 1,251,408,214.98/x - Step 3: Cross multiply
2,155,568,383.80x = 2,974,667,043.02 × 1,251,408,214.98 - Step 4: Simplify right side
2,155,568,383.80x = 3,722,522,774,459,235,840 - Step 5: Solve for x
x = 3,722,522,774,459,235,840/2,155,568,383.80 - Step 6: Final answer
x = 1,726,933,277.75
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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.