Home / 336,995,455.20-505,493,182.80-268,971,007.20

Finding the Fourth Proportional to 336,995,455.20, 505,493,182.80 and 268,971,007.20

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Solution

The fourth proportional to 336,995,455.20, 505,493,182.80 and 268,971,007.20 is: 403,456,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,995,455.20 : 505,493,182.80 = 268,971,007.20 : x
  2. Step 2: Convert to fraction form
    336,995,455.20/505,493,182.80 = 268,971,007.20/x
  3. Step 3: Cross multiply
    336,995,455.20x = 505,493,182.80 × 268,971,007.20
  4. Step 4: Simplify right side
    336,995,455.20x = 135,963,010,510,449,712
  5. Step 5: Solve for x
    x = 135,963,010,510,449,712/336,995,455.20
  6. Step 6: Final answer
    x = 403,456,510.80

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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.