Home / 1,988,329,942.47-2,982,801,369.39-677,925,539.28

Finding the Fourth Proportional to 1,988,329,942.47, 2,982,801,369.39 and 677,925,539.28

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Solution

The fourth proportional to 1,988,329,942.47, 2,982,801,369.39 and 677,925,539.28 is: 1,016,992,795.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,329,942.47 : 2,982,801,369.39 = 677,925,539.28 : x
  2. Step 2: Convert to fraction form
    1,988,329,942.47/2,982,801,369.39 = 677,925,539.28/x
  3. Step 3: Cross multiply
    1,988,329,942.47x = 2,982,801,369.39 × 677,925,539.28
  4. Step 4: Simplify right side
    1,988,329,942.47x = 2,022,117,226,908,838,144
  5. Step 5: Solve for x
    x = 2,022,117,226,908,838,144/1,988,329,942.47
  6. Step 6: Final answer
    x = 1,016,992,795.67

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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.