Home / 1,443,486,484.56-1,992,013,270.92-783,436,762.56

Finding the Fourth Proportional to 1,443,486,484.56, 1,992,013,270.92 and 783,436,762.56

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Solution

The fourth proportional to 1,443,486,484.56, 1,992,013,270.92 and 783,436,762.56 is: 1,081,143,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,486,484.56 : 1,992,013,270.92 = 783,436,762.56 : x
  2. Step 2: Convert to fraction form
    1,443,486,484.56/1,992,013,270.92 = 783,436,762.56/x
  3. Step 3: Cross multiply
    1,443,486,484.56x = 1,992,013,270.92 × 783,436,762.56
  4. Step 4: Simplify right side
    1,443,486,484.56x = 1,560,616,427,946,120,960
  5. Step 5: Solve for x
    x = 1,560,616,427,946,120,960/1,443,486,484.56
  6. Step 6: Final answer
    x = 1,081,143,775.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.