Home / 243,002,512,958.76-364,137,720,867.18-216,520,457,192.28

Finding the Fourth Proportional to 243,002,512,958.76, 364,137,720,867.18 and 216,520,457,192.28

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Solution

The fourth proportional to 243,002,512,958.76, 364,137,720,867.18 and 216,520,457,192.28 is: 324,454,528,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,002,512,958.76 : 364,137,720,867.18 = 216,520,457,192.28 : x
  2. Step 2: Convert to fraction form
    243,002,512,958.76/364,137,720,867.18 = 216,520,457,192.28/x
  3. Step 3: Cross multiply
    243,002,512,958.76x = 364,137,720,867.18 × 216,520,457,192.28
  4. Step 4: Simplify right side
    243,002,512,958.76x = 78,843,265,803,116,647,284,736
  5. Step 5: Solve for x
    x = 78,843,265,803,116,647,284,736/243,002,512,958.76
  6. Step 6: Final answer
    x = 324,454,528,651.30

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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.