Home / 498,113,135,224.65-687,396,789,502.50-269,742,771,058.32

Finding the Fourth Proportional to 498,113,135,224.65, 687,396,789,502.50 and 269,742,771,058.32

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Solution

The fourth proportional to 498,113,135,224.65, 687,396,789,502.50 and 269,742,771,058.32 is: 372,245,383,036.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,113,135,224.65 : 687,396,789,502.50 = 269,742,771,058.32 : x
  2. Step 2: Convert to fraction form
    498,113,135,224.65/687,396,789,502.50 = 269,742,771,058.32/x
  3. Step 3: Cross multiply
    498,113,135,224.65x = 687,396,789,502.50 × 269,742,771,058.32
  4. Step 4: Simplify right side
    498,113,135,224.65x = 185,420,314,816,997,048,188,928
  5. Step 5: Solve for x
    x = 185,420,314,816,997,048,188,928/498,113,135,224.65
  6. Step 6: Final answer
    x = 372,245,383,036.07

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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.