Home / 178,685,999.60-268,028,999.40-117,463,996.40

Finding the Fourth Proportional to 178,685,999.60, 268,028,999.40 and 117,463,996.40

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Solution

The fourth proportional to 178,685,999.60, 268,028,999.40 and 117,463,996.40 is: 176,195,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,685,999.60 : 268,028,999.40 = 117,463,996.40 : x
  2. Step 2: Convert to fraction form
    178,685,999.60/268,028,999.40 = 117,463,996.40/x
  3. Step 3: Cross multiply
    178,685,999.60x = 268,028,999.40 × 117,463,996.40
  4. Step 4: Simplify right side
    178,685,999.60x = 31,483,757,420,617,204
  5. Step 5: Solve for x
    x = 31,483,757,420,617,204/178,685,999.60
  6. Step 6: Final answer
    x = 176,195,994.60

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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.