Home / 381,479,295,972.20-572,218,943,958.30-116,483,256,343.40

Finding the Fourth Proportional to 381,479,295,972.20, 572,218,943,958.30 and 116,483,256,343.40

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Solution

The fourth proportional to 381,479,295,972.20, 572,218,943,958.30 and 116,483,256,343.40 is: 174,724,884,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,479,295,972.20 : 572,218,943,958.30 = 116,483,256,343.40 : x
  2. Step 2: Convert to fraction form
    381,479,295,972.20/572,218,943,958.30 = 116,483,256,343.40/x
  3. Step 3: Cross multiply
    381,479,295,972.20x = 572,218,943,958.30 × 116,483,256,343.40
  4. Step 4: Simplify right side
    381,479,295,972.20x = 66,653,925,933,644,301,467,648
  5. Step 5: Solve for x
    x = 66,653,925,933,644,301,467,648/381,479,295,972.20
  6. Step 6: Final answer
    x = 174,724,884,515.10

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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.