Home / 21,765,199,358.52-32,632,619,989.43-9,643,798,143.30

Finding the Fourth Proportional to 21,765,199,358.52, 32,632,619,989.43 and 9,643,798,143.30

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Solution

The fourth proportional to 21,765,199,358.52, 32,632,619,989.43 and 9,643,798,143.30 is: 14,458,971,630.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,765,199,358.52 : 32,632,619,989.43 = 9,643,798,143.30 : x
  2. Step 2: Convert to fraction form
    21,765,199,358.52/32,632,619,989.43 = 9,643,798,143.30/x
  3. Step 3: Cross multiply
    21,765,199,358.52x = 32,632,619,989.43 × 9,643,798,143.30
  4. Step 4: Simplify right side
    21,765,199,358.52x = 314,702,400,064,959,348,736
  5. Step 5: Solve for x
    x = 314,702,400,064,959,348,736/21,765,199,358.52
  6. Step 6: Final answer
    x = 14,458,971,630.86

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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.