Home / 661,970,885,028.96-992,956,339,107.36-158,893,273,173.60

Finding the Fourth Proportional to 661,970,885,028.96, 992,956,339,107.36 and 158,893,273,173.60

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Solution

The fourth proportional to 661,970,885,028.96, 992,956,339,107.36 and 158,893,273,173.60 is: 238,339,912,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,970,885,028.96 : 992,956,339,107.36 = 158,893,273,173.60 : x
  2. Step 2: Convert to fraction form
    661,970,885,028.96/992,956,339,107.36 = 158,893,273,173.60/x
  3. Step 3: Cross multiply
    661,970,885,028.96x = 992,956,339,107.36 × 158,893,273,173.60
  4. Step 4: Simplify right side
    661,970,885,028.96x = 157,774,082,839,243,554,553,856
  5. Step 5: Solve for x
    x = 157,774,082,839,243,554,553,856/661,970,885,028.96
  6. Step 6: Final answer
    x = 238,339,912,536.10

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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.