Finding the Fourth Proportional to 1,587,785,039.50, 2,381,948,895.97 and 654,597,759.75
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Solution
The fourth proportional to 1,587,785,039.50, 2,381,948,895.97 and 654,597,759.75 is: 982,008,503.88
Step by Step Solution
- Step 1: Write the proportion equation
1,587,785,039.50 : 2,381,948,895.97 = 654,597,759.75 : x - Step 2: Convert to fraction form
1,587,785,039.50/2,381,948,895.97 = 654,597,759.75/x - Step 3: Cross multiply
1,587,785,039.50x = 2,381,948,895.97 × 654,597,759.75 - Step 4: Simplify right side
1,587,785,039.50x = 1,559,218,411,125,765,120 - Step 5: Solve for x
x = 1,559,218,411,125,765,120/1,587,785,039.50 - Step 6: Final answer
x = 982,008,503.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.