Home / 21,765,199,358.71-32,632,619,989.71-9,643,798,143.49

Finding the Fourth Proportional to 21,765,199,358.71, 32,632,619,989.71 and 9,643,798,143.49

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Solution

The fourth proportional to 21,765,199,358.71, 32,632,619,989.71 and 9,643,798,143.49 is: 14,458,971,631.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,765,199,358.71 : 32,632,619,989.71 = 9,643,798,143.49 : x
  2. Step 2: Convert to fraction form
    21,765,199,358.71/32,632,619,989.71 = 9,643,798,143.49/x
  3. Step 3: Cross multiply
    21,765,199,358.71x = 32,632,619,989.71 × 9,643,798,143.49
  4. Step 4: Simplify right side
    21,765,199,358.71x = 314,702,400,073,898,328,064
  5. Step 5: Solve for x
    x = 314,702,400,073,898,328,064/21,765,199,358.71
  6. Step 6: Final answer
    x = 14,458,971,631.15

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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.