Home / 619,239,099.57-854,550,096.90-340,780,623.10

Finding the Fourth Proportional to 619,239,099.57, 854,550,096.90 and 340,780,623.10

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Solution

The fourth proportional to 619,239,099.57, 854,550,096.90 and 340,780,623.10 is: 470,277,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,239,099.57 : 854,550,096.90 = 340,780,623.10 : x
  2. Step 2: Convert to fraction form
    619,239,099.57/854,550,096.90 = 340,780,623.10/x
  3. Step 3: Cross multiply
    619,239,099.57x = 854,550,096.90 × 340,780,623.10
  4. Step 4: Simplify right side
    619,239,099.57x = 291,214,114,494,106,880
  5. Step 5: Solve for x
    x = 291,214,114,494,106,880/619,239,099.57
  6. Step 6: Final answer
    x = 470,277,336.65

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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.