Finding the Fourth Proportional to 1,183,246,034.40, 1,771,467,829.20 and 724,081,010.40
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Solution
The fourth proportional to 1,183,246,034.40, 1,771,467,829.20 and 724,081,010.40 is: 1,084,040,155.95
Step by Step Solution
- Step 1: Write the proportion equation
1,183,246,034.40 : 1,771,467,829.20 = 724,081,010.40 : x - Step 2: Convert to fraction form
1,183,246,034.40/1,771,467,829.20 = 724,081,010.40/x - Step 3: Cross multiply
1,183,246,034.40x = 1,771,467,829.20 × 724,081,010.40 - Step 4: Simplify right side
1,183,246,034.40x = 1,282,686,215,658,230,528 - Step 5: Solve for x
x = 1,282,686,215,658,230,528/1,183,246,034.40 - Step 6: Final answer
x = 1,084,040,155.95
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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.