Home / 471,353,838.36-706,987,133.22-222,301,989.72

Finding the Fourth Proportional to 471,353,838.36, 706,987,133.22 and 222,301,989.72

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Solution

The fourth proportional to 471,353,838.36, 706,987,133.22 and 222,301,989.72 is: 333,432,410.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,353,838.36 : 706,987,133.22 = 222,301,989.72 : x
  2. Step 2: Convert to fraction form
    471,353,838.36/706,987,133.22 = 222,301,989.72/x
  3. Step 3: Cross multiply
    471,353,838.36x = 706,987,133.22 × 222,301,989.72
  4. Step 4: Simplify right side
    471,353,838.36x = 157,164,646,421,244,704
  5. Step 5: Solve for x
    x = 157,164,646,421,244,704/471,353,838.36
  6. Step 6: Final answer
    x = 333,432,410.28

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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.