Finding the Fourth Proportional to 4,257,119,895.90, 6,385,679,843.85 and 2,515,694,027.10
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Solution
The fourth proportional to 4,257,119,895.90, 6,385,679,843.85 and 2,515,694,027.10 is: 3,773,541,040.65
Step by Step Solution
- Step 1: Write the proportion equation
4,257,119,895.90 : 6,385,679,843.85 = 2,515,694,027.10 : x - Step 2: Convert to fraction form
4,257,119,895.90/6,385,679,843.85 = 2,515,694,027.10/x - Step 3: Cross multiply
4,257,119,895.90x = 6,385,679,843.85 × 2,515,694,027.10 - Step 4: Simplify right side
4,257,119,895.90x = 16,064,416,642,146,306,048 - Step 5: Solve for x
x = 16,064,416,642,146,306,048/4,257,119,895.90 - Step 6: Final answer
x = 3,773,541,040.65
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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.