Finding the Fourth Proportional to 2,528,343,387.90, 3,789,964,165.05 and 1,149,147,704.70
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Solution
The fourth proportional to 2,528,343,387.90, 3,789,964,165.05 and 1,149,147,704.70 is: 1,722,562,149.59
Step by Step Solution
- Step 1: Write the proportion equation
2,528,343,387.90 : 3,789,964,165.05 = 1,149,147,704.70 : x - Step 2: Convert to fraction form
2,528,343,387.90/3,789,964,165.05 = 1,149,147,704.70/x - Step 3: Cross multiply
2,528,343,387.90x = 3,789,964,165.05 × 1,149,147,704.70 - Step 4: Simplify right side
2,528,343,387.90x = 4,355,228,621,162,459,648 - Step 5: Solve for x
x = 4,355,228,621,162,459,648/2,528,343,387.90 - Step 6: Final answer
x = 1,722,562,149.59
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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.