Home / 1,212,108,851.31-1,817,290,668.74-744,804,758.73

Finding the Fourth Proportional to 1,212,108,851.31, 1,817,290,668.74 and 744,804,758.73

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Solution

The fourth proportional to 1,212,108,851.31, 1,817,290,668.74 and 744,804,758.73 is: 1,116,670,946.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,108,851.31 : 1,817,290,668.74 = 744,804,758.73 : x
  2. Step 2: Convert to fraction form
    1,212,108,851.31/1,817,290,668.74 = 744,804,758.73/x
  3. Step 3: Cross multiply
    1,212,108,851.31x = 1,817,290,668.74 × 744,804,758.73
  4. Step 4: Simplify right side
    1,212,108,851.31x = 1,353,526,738,072,310,016
  5. Step 5: Solve for x
    x = 1,353,526,738,072,310,016/1,212,108,851.31
  6. Step 6: Final answer
    x = 1,116,670,946.35

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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.