Finding the Fourth Proportional to 1,325,553,293.98, 1,988,534,244.76 and 451,950,358.52
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Solution
The fourth proportional to 1,325,553,293.98, 1,988,534,244.76 and 451,950,358.52 is: 677,995,195.61
Step by Step Solution
- Step 1: Write the proportion equation
1,325,553,293.98 : 1,988,534,244.76 = 451,950,358.52 : x - Step 2: Convert to fraction form
1,325,553,293.98/1,988,534,244.76 = 451,950,358.52/x - Step 3: Cross multiply
1,325,553,293.98x = 1,988,534,244.76 × 451,950,358.52 - Step 4: Simplify right side
1,325,553,293.98x = 898,718,764,848,579,328 - Step 5: Solve for x
x = 898,718,764,848,579,328/1,325,553,293.98 - Step 6: Final answer
x = 677,995,195.61
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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.