Finding the Fourth Proportional to 1,764,580,937.20, 2,646,970,938.60 and 537,789,410.80
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Solution
The fourth proportional to 1,764,580,937.20, 2,646,970,938.60 and 537,789,410.80 is: 806,714,450.70
Step by Step Solution
- Step 1: Write the proportion equation
1,764,580,937.20 : 2,646,970,938.60 = 537,789,410.80 : x - Step 2: Convert to fraction form
1,764,580,937.20/2,646,970,938.60 = 537,789,410.80/x - Step 3: Cross multiply
1,764,580,937.20x = 2,646,970,938.60 × 537,789,410.80 - Step 4: Simplify right side
1,764,580,937.20x = 1,423,512,941,474,416,896 - Step 5: Solve for x
x = 1,423,512,941,474,416,896/1,764,580,937.20 - Step 6: Final answer
x = 806,714,450.70
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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.