Home / 1,108,804,243.40-1,530,149,886.28-613,766,951.88

Finding the Fourth Proportional to 1,108,804,243.40, 1,530,149,886.28 and 613,766,951.88

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Solution

The fourth proportional to 1,108,804,243.40, 1,530,149,886.28 and 613,766,951.88 is: 846,998,410.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,804,243.40 : 1,530,149,886.28 = 613,766,951.88 : x
  2. Step 2: Convert to fraction form
    1,108,804,243.40/1,530,149,886.28 = 613,766,951.88/x
  3. Step 3: Cross multiply
    1,108,804,243.40x = 1,530,149,886.28 × 613,766,951.88
  4. Step 4: Simplify right side
    1,108,804,243.40x = 939,155,431,621,604,224
  5. Step 5: Solve for x
    x = 939,155,431,621,604,224/1,108,804,243.40
  6. Step 6: Final answer
    x = 846,998,410.42

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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.