Home / 619,239,100.80-854,550,098.60-340,780,624.34

Finding the Fourth Proportional to 619,239,100.80, 854,550,098.60 and 340,780,624.34

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Solution

The fourth proportional to 619,239,100.80, 854,550,098.60 and 340,780,624.34 is: 470,277,338.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,239,100.80 : 854,550,098.60 = 340,780,624.34 : x
  2. Step 2: Convert to fraction form
    619,239,100.80/854,550,098.60 = 340,780,624.34/x
  3. Step 3: Cross multiply
    619,239,100.80x = 854,550,098.60 × 340,780,624.34
  4. Step 4: Simplify right side
    619,239,100.80x = 291,214,116,124,739,904
  5. Step 5: Solve for x
    x = 291,214,116,124,739,904/619,239,100.80
  6. Step 6: Final answer
    x = 470,277,338.35

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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.