Finding the Fourth Proportional to 1,077,984,153.20, 1,617,536,101.80 and 503,555,481.20
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Solution
The fourth proportional to 1,077,984,153.20, 1,617,536,101.80 and 503,555,481.20 is: 755,594,753.12
Step by Step Solution
- Step 1: Write the proportion equation
1,077,984,153.20 : 1,617,536,101.80 = 503,555,481.20 : x - Step 2: Convert to fraction form
1,077,984,153.20/1,617,536,101.80 = 503,555,481.20/x - Step 3: Cross multiply
1,077,984,153.20x = 1,617,536,101.80 × 503,555,481.20 - Step 4: Simplify right side
1,077,984,153.20x = 814,519,170,100,271,104 - Step 5: Solve for x
x = 814,519,170,100,271,104/1,077,984,153.20 - Step 6: Final answer
x = 755,594,753.12
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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.