Finding the Fourth Proportional to 2,794,176,518.20, 4,190,676,911.70 and 1,412,692,358.20
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Solution
The fourth proportional to 2,794,176,518.20, 4,190,676,911.70 and 1,412,692,358.20 is: 2,118,741,321.56
Step by Step Solution
- Step 1: Write the proportion equation
2,794,176,518.20 : 4,190,676,911.70 = 1,412,692,358.20 : x - Step 2: Convert to fraction form
2,794,176,518.20/4,190,676,911.70 = 1,412,692,358.20/x - Step 3: Cross multiply
2,794,176,518.20x = 4,190,676,911.70 × 1,412,692,358.20 - Step 4: Simplify right side
2,794,176,518.20x = 5,920,137,248,843,765,760 - Step 5: Solve for x
x = 5,920,137,248,843,765,760/2,794,176,518.20 - Step 6: Final answer
x = 2,118,741,321.56
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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.