Home / 1,469,769,739.20-2,204,607,369.60-487,241,618.40

Finding the Fourth Proportional to 1,469,769,739.20, 2,204,607,369.60 and 487,241,618.40

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Solution

The fourth proportional to 1,469,769,739.20, 2,204,607,369.60 and 487,241,618.40 is: 730,846,767.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,769,739.20 : 2,204,607,369.60 = 487,241,618.40 : x
  2. Step 2: Convert to fraction form
    1,469,769,739.20/2,204,607,369.60 = 487,241,618.40/x
  3. Step 3: Cross multiply
    1,469,769,739.20x = 2,204,607,369.60 × 487,241,618.40
  4. Step 4: Simplify right side
    1,469,769,739.20x = 1,074,176,462,700,470,912
  5. Step 5: Solve for x
    x = 1,074,176,462,700,470,912/1,469,769,739.20
  6. Step 6: Final answer
    x = 730,846,767.39

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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.