Finding the Fourth Proportional to 2,183,669,958.60, 3,275,504,937.90 and 709,806,918.60
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Solution
The fourth proportional to 2,183,669,958.60, 3,275,504,937.90 and 709,806,918.60 is: 1,064,710,377.90
Step by Step Solution
- Step 1: Write the proportion equation
2,183,669,958.60 : 3,275,504,937.90 = 709,806,918.60 : x - Step 2: Convert to fraction form
2,183,669,958.60/3,275,504,937.90 = 709,806,918.60/x - Step 3: Cross multiply
2,183,669,958.60x = 3,275,504,937.90 × 709,806,918.60 - Step 4: Simplify right side
2,183,669,958.60x = 2,324,976,066,829,883,392 - Step 5: Solve for x
x = 2,324,976,066,829,883,392/2,183,669,958.60 - Step 6: Final answer
x = 1,064,710,377.90
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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.