Home / 380,491,181.90-570,596,780.54-131,433,057.06

Finding the Fourth Proportional to 380,491,181.90, 570,596,780.54 and 131,433,057.06

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Solution

The fourth proportional to 380,491,181.90, 570,596,780.54 and 131,433,057.06 is: 197,101,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,491,181.90 : 570,596,780.54 = 131,433,057.06 : x
  2. Step 2: Convert to fraction form
    380,491,181.90/570,596,780.54 = 131,433,057.06/x
  3. Step 3: Cross multiply
    380,491,181.90x = 570,596,780.54 × 131,433,057.06
  4. Step 4: Simplify right side
    380,491,181.90x = 74,995,279,214,966,112
  5. Step 5: Solve for x
    x = 74,995,279,214,966,112/380,491,181.90
  6. Step 6: Final answer
    x = 197,101,228.05

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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.