Home / 1,128,314,754.92-1,692,469,877.06-299,351,489.24

Finding the Fourth Proportional to 1,128,314,754.92, 1,692,469,877.06 and 299,351,489.24

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Solution

The fourth proportional to 1,128,314,754.92, 1,692,469,877.06 and 299,351,489.24 is: 449,026,635.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,314,754.92 : 1,692,469,877.06 = 299,351,489.24 : x
  2. Step 2: Convert to fraction form
    1,128,314,754.92/1,692,469,877.06 = 299,351,489.24/x
  3. Step 3: Cross multiply
    1,128,314,754.92x = 1,692,469,877.06 × 299,351,489.24
  4. Step 4: Simplify right side
    1,128,314,754.92x = 506,643,378,191,750,720
  5. Step 5: Solve for x
    x = 506,643,378,191,750,720/1,128,314,754.92
  6. Step 6: Final answer
    x = 449,026,635.50

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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.