Finding the Fourth Proportional to 1,134,153,974.70, 1,701,230,962.05 and 667,336,200.30
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Solution
The fourth proportional to 1,134,153,974.70, 1,701,230,962.05 and 667,336,200.30 is: 1,001,004,300.45
Step by Step Solution
- Step 1: Write the proportion equation
1,134,153,974.70 : 1,701,230,962.05 = 667,336,200.30 : x - Step 2: Convert to fraction form
1,134,153,974.70/1,701,230,962.05 = 667,336,200.30/x - Step 3: Cross multiply
1,134,153,974.70x = 1,701,230,962.05 × 667,336,200.30 - Step 4: Simplify right side
1,134,153,974.70x = 1,135,293,006,047,160,448 - Step 5: Solve for x
x = 1,135,293,006,047,160,448/1,134,153,974.70 - Step 6: Final answer
x = 1,001,004,300.45
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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.