Finding the Fourth Proportional to 1,337,723,999.70, 2,002,759,624.35 and 821,163,347.70
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Solution
The fourth proportional to 1,337,723,999.70, 2,002,759,624.35 and 821,163,347.70 is: 1,229,396,196.93
Step by Step Solution
- Step 1: Write the proportion equation
1,337,723,999.70 : 2,002,759,624.35 = 821,163,347.70 : x - Step 2: Convert to fraction form
1,337,723,999.70/2,002,759,624.35 = 821,163,347.70/x - Step 3: Cross multiply
1,337,723,999.70x = 2,002,759,624.35 × 821,163,347.70 - Step 4: Simplify right side
1,337,723,999.70x = 1,644,592,797,769,640,448 - Step 5: Solve for x
x = 1,644,592,797,769,640,448/1,337,723,999.70 - Step 6: Final answer
x = 1,229,396,196.93
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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.