Home / 412,968,740.40-619,546,435.38-136,619,301.96

Finding the Fourth Proportional to 412,968,740.40, 619,546,435.38 and 136,619,301.96

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Solution

The fourth proportional to 412,968,740.40, 619,546,435.38 and 136,619,301.96 is: 204,959,826.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,968,740.40 : 619,546,435.38 = 136,619,301.96 : x
  2. Step 2: Convert to fraction form
    412,968,740.40/619,546,435.38 = 136,619,301.96/x
  3. Step 3: Cross multiply
    412,968,740.40x = 619,546,435.38 × 136,619,301.96
  4. Step 4: Simplify right side
    412,968,740.40x = 84,642,001,533,421,856
  5. Step 5: Solve for x
    x = 84,642,001,533,421,856/412,968,740.40
  6. Step 6: Final answer
    x = 204,959,826.87

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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.