Home / 1,724,611,519.20-2,587,295,192.40-851,631,103.20

Finding the Fourth Proportional to 1,724,611,519.20, 2,587,295,192.40 and 851,631,103.20

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Solution

The fourth proportional to 1,724,611,519.20, 2,587,295,192.40 and 851,631,103.20 is: 1,277,633,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,611,519.20 : 2,587,295,192.40 = 851,631,103.20 : x
  2. Step 2: Convert to fraction form
    1,724,611,519.20/2,587,295,192.40 = 851,631,103.20/x
  3. Step 3: Cross multiply
    1,724,611,519.20x = 2,587,295,192.40 × 851,631,103.20
  4. Step 4: Simplify right side
    1,724,611,519.20x = 2,203,421,059,007,668,480
  5. Step 5: Solve for x
    x = 2,203,421,059,007,668,480/1,724,611,519.20
  6. Step 6: Final answer
    x = 1,277,633,272.47

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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.