Home / 619,239,173.74-854,550,200.61-340,780,697.27

Finding the Fourth Proportional to 619,239,173.74, 854,550,200.61 and 340,780,697.27

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Solution

The fourth proportional to 619,239,173.74, 854,550,200.61 and 340,780,697.27 is: 470,277,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,239,173.74 : 854,550,200.61 = 340,780,697.27 : x
  2. Step 2: Convert to fraction form
    619,239,173.74/854,550,200.61 = 340,780,697.27/x
  3. Step 3: Cross multiply
    619,239,173.74x = 854,550,200.61 × 340,780,697.27
  4. Step 4: Simplify right side
    619,239,173.74x = 291,214,213,215,025,984
  5. Step 5: Solve for x
    x = 291,214,213,215,025,984/619,239,173.74
  6. Step 6: Final answer
    x = 470,277,439.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.