Finding the Fourth Proportional to 1,491,247,458.36, 2,237,101,029.30 and 508,444,155.96
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Solution
The fourth proportional to 1,491,247,458.36, 2,237,101,029.30 and 508,444,155.96 is: 762,744,599.00
Step by Step Solution
- Step 1: Write the proportion equation
1,491,247,458.36 : 2,237,101,029.30 = 508,444,155.96 : x - Step 2: Convert to fraction form
1,491,247,458.36/2,237,101,029.30 = 508,444,155.96/x - Step 3: Cross multiply
1,491,247,458.36x = 2,237,101,029.30 × 508,444,155.96 - Step 4: Simplify right side
1,491,247,458.36x = 1,137,440,944,639,685,760 - Step 5: Solve for x
x = 1,137,440,944,639,685,760/1,491,247,458.36 - Step 6: Final answer
x = 762,744,599.00
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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.