Home / 289,723,230,548.31-434,584,743,535.89-77,481,846,844.76

Finding the Fourth Proportional to 289,723,230,548.31, 434,584,743,535.89 and 77,481,846,844.76

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Solution

The fourth proportional to 289,723,230,548.31, 434,584,743,535.89 and 77,481,846,844.76 is: 116,222,742,912.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,723,230,548.31 : 434,584,743,535.89 = 77,481,846,844.76 : x
  2. Step 2: Convert to fraction form
    289,723,230,548.31/434,584,743,535.89 = 77,481,846,844.76/x
  3. Step 3: Cross multiply
    289,723,230,548.31x = 434,584,743,535.89 × 77,481,846,844.76
  4. Step 4: Simplify right side
    289,723,230,548.31x = 33,672,428,539,718,873,907,200
  5. Step 5: Solve for x
    x = 33,672,428,539,718,873,907,200/289,723,230,548.31
  6. Step 6: Final answer
    x = 116,222,742,912.24

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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.