Home / 1,320,134,107.20-1,980,201,160.80-1,320,134,107.20

Finding the Fourth Proportional to 1,320,134,107.20, 1,980,201,160.80 and 1,320,134,107.20

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Solution

The fourth proportional to 1,320,134,107.20, 1,980,201,160.80 and 1,320,134,107.20 is: 1,980,201,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,134,107.20 : 1,980,201,160.80 = 1,320,134,107.20 : x
  2. Step 2: Convert to fraction form
    1,320,134,107.20/1,980,201,160.80 = 1,320,134,107.20/x
  3. Step 3: Cross multiply
    1,320,134,107.20x = 1,980,201,160.80 × 1,320,134,107.20
  4. Step 4: Simplify right side
    1,320,134,107.20x = 2,614,131,091,489,111,552
  5. Step 5: Solve for x
    x = 2,614,131,091,489,111,552/1,320,134,107.20
  6. Step 6: Final answer
    x = 1,980,201,160.80

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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.