Home / 859,473,721.44-1,289,208,967.20-269,309,139.84

Finding the Fourth Proportional to 859,473,721.44, 1,289,208,967.20 and 269,309,139.84

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Solution

The fourth proportional to 859,473,721.44, 1,289,208,967.20 and 269,309,139.84 is: 403,963,203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,473,721.44 : 1,289,208,967.20 = 269,309,139.84 : x
  2. Step 2: Convert to fraction form
    859,473,721.44/1,289,208,967.20 = 269,309,139.84/x
  3. Step 3: Cross multiply
    859,473,721.44x = 1,289,208,967.20 × 269,309,139.84
  4. Step 4: Simplify right side
    859,473,721.44x = 347,195,758,030,646,784
  5. Step 5: Solve for x
    x = 347,195,758,030,646,784/859,473,721.44
  6. Step 6: Final answer
    x = 403,963,203.73

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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.