Finding the Fourth Proportional to 4,257,119,846.40, 6,385,679,769.60 and 2,515,693,977.60
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Solution
The fourth proportional to 4,257,119,846.40, 6,385,679,769.60 and 2,515,693,977.60 is: 3,773,540,966.40
Step by Step Solution
- Step 1: Write the proportion equation
4,257,119,846.40 : 6,385,679,769.60 = 2,515,693,977.60 : x - Step 2: Convert to fraction form
4,257,119,846.40/6,385,679,769.60 = 2,515,693,977.60/x - Step 3: Cross multiply
4,257,119,846.40x = 6,385,679,769.60 × 2,515,693,977.60 - Step 4: Simplify right side
4,257,119,846.40x = 16,064,416,139,264,876,544 - Step 5: Solve for x
x = 16,064,416,139,264,876,544/4,257,119,846.40 - Step 6: Final answer
x = 3,773,540,966.40
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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.