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Finding the Fourth Proportional to 1,086,747,310.80, 1,630,120,966.20 and 1,086,747,310.80

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Solution

The fourth proportional to 1,086,747,310.80, 1,630,120,966.20 and 1,086,747,310.80 is: 1,630,120,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,747,310.80 : 1,630,120,966.20 = 1,086,747,310.80 : x
  2. Step 2: Convert to fraction form
    1,086,747,310.80/1,630,120,966.20 = 1,086,747,310.80/x
  3. Step 3: Cross multiply
    1,086,747,310.80x = 1,630,120,966.20 × 1,086,747,310.80
  4. Step 4: Simplify right side
    1,086,747,310.80x = 1,771,529,576,296,547,584
  5. Step 5: Solve for x
    x = 1,771,529,576,296,547,584/1,086,747,310.80
  6. Step 6: Final answer
    x = 1,630,120,966.20

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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.