Home / 481,184,789.74-664,035,501.28-261,168,261.10

Finding the Fourth Proportional to 481,184,789.74, 664,035,501.28 and 261,168,261.10

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Solution

The fourth proportional to 481,184,789.74, 664,035,501.28 and 261,168,261.10 is: 360,412,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,184,789.74 : 664,035,501.28 = 261,168,261.10 : x
  2. Step 2: Convert to fraction form
    481,184,789.74/664,035,501.28 = 261,168,261.10/x
  3. Step 3: Cross multiply
    481,184,789.74x = 664,035,501.28 × 261,168,261.10
  4. Step 4: Simplify right side
    481,184,789.74x = 173,424,997,177,964,416
  5. Step 5: Solve for x
    x = 173,424,997,177,964,416/481,184,789.74
  6. Step 6: Final answer
    x = 360,412,467.05

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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.