Home / 498,113,135,188.16-687,396,789,452.10-269,742,771,021.82

Finding the Fourth Proportional to 498,113,135,188.16, 687,396,789,452.10 and 269,742,771,021.82

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Solution

The fourth proportional to 498,113,135,188.16, 687,396,789,452.10 and 269,742,771,021.82 is: 372,245,382,985.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,113,135,188.16 : 687,396,789,452.10 = 269,742,771,021.82 : x
  2. Step 2: Convert to fraction form
    498,113,135,188.16/687,396,789,452.10 = 269,742,771,021.82/x
  3. Step 3: Cross multiply
    498,113,135,188.16x = 687,396,789,452.10 × 269,742,771,021.82
  4. Step 4: Simplify right side
    498,113,135,188.16x = 185,420,314,778,312,009,318,400
  5. Step 5: Solve for x
    x = 185,420,314,778,312,009,318,400/498,113,135,188.16
  6. Step 6: Final answer
    x = 372,245,382,985.68

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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.