Finding the Fourth Proportional to 1,134,104,652.90, 1,701,156,979.35 and 272,461,644.90
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Solution
The fourth proportional to 1,134,104,652.90, 1,701,156,979.35 and 272,461,644.90 is: 408,692,467.35
Step by Step Solution
- Step 1: Write the proportion equation
1,134,104,652.90 : 1,701,156,979.35 = 272,461,644.90 : x - Step 2: Convert to fraction form
1,134,104,652.90/1,701,156,979.35 = 272,461,644.90/x - Step 3: Cross multiply
1,134,104,652.90x = 1,701,156,979.35 × 272,461,644.90 - Step 4: Simplify right side
1,134,104,652.90x = 463,500,028,826,816,256 - Step 5: Solve for x
x = 463,500,028,826,816,256/1,134,104,652.90 - Step 6: Final answer
x = 408,692,467.35
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Double scale
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Similar ratio
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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.