Home / 653,109,589.76-979,665,732.48-613,201,913.60

Finding the Fourth Proportional to 653,109,589.76, 979,665,732.48 and 613,201,913.60

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Solution

The fourth proportional to 653,109,589.76, 979,665,732.48 and 613,201,913.60 is: 919,804,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,109,589.76 : 979,665,732.48 = 613,201,913.60 : x
  2. Step 2: Convert to fraction form
    653,109,589.76/979,665,732.48 = 613,201,913.60/x
  3. Step 3: Cross multiply
    653,109,589.76x = 979,665,732.48 × 613,201,913.60
  4. Step 4: Simplify right side
    653,109,589.76x = 600,732,901,845,081,728
  5. Step 5: Solve for x
    x = 600,732,901,845,081,728/653,109,589.76
  6. Step 6: Final answer
    x = 919,804,135.88

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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.