Home / 49,720,671,721.56-74,634,099,522.54-21,404,618,429.48

Finding the Fourth Proportional to 49,720,671,721.56, 74,634,099,522.54 and 21,404,618,429.48

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Solution

The fourth proportional to 49,720,671,721.56, 74,634,099,522.54 and 21,404,618,429.48 is: 32,129,783,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,720,671,721.56 : 74,634,099,522.54 = 21,404,618,429.48 : x
  2. Step 2: Convert to fraction form
    49,720,671,721.56/74,634,099,522.54 = 21,404,618,429.48/x
  3. Step 3: Cross multiply
    49,720,671,721.56x = 74,634,099,522.54 × 21,404,618,429.48
  4. Step 4: Simplify right side
    49,720,671,721.56x = 1,597,514,422,107,804,008,448
  5. Step 5: Solve for x
    x = 1,597,514,422,107,804,008,448/49,720,671,721.56
  6. Step 6: Final answer
    x = 32,129,783,584.86

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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.