Home / 893,641,949.33-1,233,237,239.52-491,801,964.26

Finding the Fourth Proportional to 893,641,949.33, 1,233,237,239.52 and 491,801,964.26

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Solution

The fourth proportional to 893,641,949.33, 1,233,237,239.52 and 491,801,964.26 is: 678,692,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,641,949.33 : 1,233,237,239.52 = 491,801,964.26 : x
  2. Step 2: Convert to fraction form
    893,641,949.33/1,233,237,239.52 = 491,801,964.26/x
  3. Step 3: Cross multiply
    893,641,949.33x = 1,233,237,239.52 × 491,801,964.26
  4. Step 4: Simplify right side
    893,641,949.33x = 606,508,496,794,516,096
  5. Step 5: Solve for x
    x = 606,508,496,794,516,096/893,641,949.33
  6. Step 6: Final answer
    x = 678,692,956.67

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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.