Finding the Fourth Proportional to 2,038,686,828.81, 2,811,793,993.83 and 1,324,452,507.13
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Solution
The fourth proportional to 2,038,686,828.81, 2,811,793,993.83 and 1,324,452,507.13 is: 1,826,709,012.90
Step by Step Solution
- Step 1: Write the proportion equation
2,038,686,828.81 : 2,811,793,993.83 = 1,324,452,507.13 : x - Step 2: Convert to fraction form
2,038,686,828.81/2,811,793,993.83 = 1,324,452,507.13/x - Step 3: Cross multiply
2,038,686,828.81x = 2,811,793,993.83 × 1,324,452,507.13 - Step 4: Simplify right side
2,038,686,828.81x = 3,724,087,604,664,593,408 - Step 5: Solve for x
x = 3,724,087,604,664,593,408/2,038,686,828.81 - Step 6: Final answer
x = 1,826,709,012.90
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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.