Finding the Fourth Proportional to 4,253,098,657.20, 6,379,647,985.80 and 3,679,789,729.20
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Solution
The fourth proportional to 4,253,098,657.20, 6,379,647,985.80 and 3,679,789,729.20 is: 5,519,684,593.80
Step by Step Solution
- Step 1: Write the proportion equation
4,253,098,657.20 : 6,379,647,985.80 = 3,679,789,729.20 : x - Step 2: Convert to fraction form
4,253,098,657.20/6,379,647,985.80 = 3,679,789,729.20/x - Step 3: Cross multiply
4,253,098,657.20x = 6,379,647,985.80 × 3,679,789,729.20 - Step 4: Simplify right side
4,253,098,657.20x = 23,475,763,134,058,307,584 - Step 5: Solve for x
x = 23,475,763,134,058,307,584/4,253,098,657.20 - Step 6: Final answer
x = 5,519,684,593.80
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1.5x scale
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.