Home / 1,330,685,778.80-1,996,028,668.20-986,312,010.80

Finding the Fourth Proportional to 1,330,685,778.80, 1,996,028,668.20 and 986,312,010.80

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Solution

The fourth proportional to 1,330,685,778.80, 1,996,028,668.20 and 986,312,010.80 is: 1,479,468,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,685,778.80 : 1,996,028,668.20 = 986,312,010.80 : x
  2. Step 2: Convert to fraction form
    1,330,685,778.80/1,996,028,668.20 = 986,312,010.80/x
  3. Step 3: Cross multiply
    1,330,685,778.80x = 1,996,028,668.20 × 986,312,010.80
  4. Step 4: Simplify right side
    1,330,685,778.80x = 1,968,707,049,346,788,096
  5. Step 5: Solve for x
    x = 1,968,707,049,346,788,096/1,330,685,778.80
  6. Step 6: Final answer
    x = 1,479,468,016.20

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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.