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Finding the Fourth Proportional to 1,036,941,767.90, 1,555,412,651.85 and 1,036,941,767.90

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Solution

The fourth proportional to 1,036,941,767.90, 1,555,412,651.85 and 1,036,941,767.90 is: 1,555,412,651.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,941,767.90 : 1,555,412,651.85 = 1,036,941,767.90 : x
  2. Step 2: Convert to fraction form
    1,036,941,767.90/1,555,412,651.85 = 1,036,941,767.90/x
  3. Step 3: Cross multiply
    1,036,941,767.90x = 1,555,412,651.85 × 1,036,941,767.90
  4. Step 4: Simplify right side
    1,036,941,767.90x = 1,612,872,345,023,366,144
  5. Step 5: Solve for x
    x = 1,612,872,345,023,366,144/1,036,941,767.90
  6. Step 6: Final answer
    x = 1,555,412,651.85

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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.