Finding the Fourth Proportional to 1,719,302,539.20, 2,579,459,793.12 and 554,749,183.68
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Solution
The fourth proportional to 1,719,302,539.20, 2,579,459,793.12 and 554,749,183.68 is: 832,287,036.13
Step by Step Solution
- Step 1: Write the proportion equation
1,719,302,539.20 : 2,579,459,793.12 = 554,749,183.68 : x - Step 2: Convert to fraction form
1,719,302,539.20/2,579,459,793.12 = 554,749,183.68/x - Step 3: Cross multiply
1,719,302,539.20x = 2,579,459,793.12 × 554,749,183.68 - Step 4: Simplify right side
1,719,302,539.20x = 1,430,953,214,568,701,440 - Step 5: Solve for x
x = 1,430,953,214,568,701,440/1,719,302,539.20 - Step 6: Final answer
x = 832,287,036.13
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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.