Finding the Fourth Proportional to 1,427,498,353.13, 2,140,762,604.15 and 494,603,475.62
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Solution
The fourth proportional to 1,427,498,353.13, 2,140,762,604.15 and 494,603,475.62 is: 741,737,195.12
Step by Step Solution
- Step 1: Write the proportion equation
1,427,498,353.13 : 2,140,762,604.15 = 494,603,475.62 : x - Step 2: Convert to fraction form
1,427,498,353.13/2,140,762,604.15 = 494,603,475.62/x - Step 3: Cross multiply
1,427,498,353.13x = 2,140,762,604.15 × 494,603,475.62 - Step 4: Simplify right side
1,427,498,353.13x = 1,058,828,624,480,444,928 - Step 5: Solve for x
x = 1,058,828,624,480,444,928/1,427,498,353.13 - Step 6: Final answer
x = 741,737,195.12
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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.