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Finding the Fourth Proportional to 580,496,520.20, 814,990,953.40 and 580,496,520.20

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Solution

The fourth proportional to 580,496,520.20, 814,990,953.40 and 580,496,520.20 is: 814,990,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,496,520.20 : 814,990,953.40 = 580,496,520.20 : x
  2. Step 2: Convert to fraction form
    580,496,520.20/814,990,953.40 = 580,496,520.20/x
  3. Step 3: Cross multiply
    580,496,520.20x = 814,990,953.40 × 580,496,520.20
  4. Step 4: Simplify right side
    580,496,520.20x = 473,099,412,443,180,352
  5. Step 5: Solve for x
    x = 473,099,412,443,180,352/580,496,520.20
  6. Step 6: Final answer
    x = 814,990,953.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.