Home / 330,096,506,720.40-455,534,721,917.28-187,533,589,579.92

Finding the Fourth Proportional to 330,096,506,720.40, 455,534,721,917.28 and 187,533,589,579.92

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Solution

The fourth proportional to 330,096,506,720.40, 455,534,721,917.28 and 187,533,589,579.92 is: 258,797,230,022.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,096,506,720.40 : 455,534,721,917.28 = 187,533,589,579.92 : x
  2. Step 2: Convert to fraction form
    330,096,506,720.40/455,534,721,917.28 = 187,533,589,579.92/x
  3. Step 3: Cross multiply
    330,096,506,720.40x = 455,534,721,917.28 × 187,533,589,579.92
  4. Step 4: Simplify right side
    330,096,506,720.40x = 85,428,061,579,438,188,396,544
  5. Step 5: Solve for x
    x = 85,428,061,579,438,188,396,544/330,096,506,720.40
  6. Step 6: Final answer
    x = 258,797,230,022.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.