Home / 1,328,013,669.90-1,992,020,504.85-1,309,873,817.10

Finding the Fourth Proportional to 1,328,013,669.90, 1,992,020,504.85 and 1,309,873,817.10

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Solution

The fourth proportional to 1,328,013,669.90, 1,992,020,504.85 and 1,309,873,817.10 is: 1,964,810,725.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,013,669.90 : 1,992,020,504.85 = 1,309,873,817.10 : x
  2. Step 2: Convert to fraction form
    1,328,013,669.90/1,992,020,504.85 = 1,309,873,817.10/x
  3. Step 3: Cross multiply
    1,328,013,669.90x = 1,992,020,504.85 × 1,309,873,817.10
  4. Step 4: Simplify right side
    1,328,013,669.90x = 2,609,295,502,429,338,112
  5. Step 5: Solve for x
    x = 2,609,295,502,429,338,112/1,328,013,669.90
  6. Step 6: Final answer
    x = 1,964,810,725.65

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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.