Home / 653,502,378,301.05-979,968,876,791.40-347,125,112,081.36

Finding the Fourth Proportional to 653,502,378,301.05, 979,968,876,791.40 and 347,125,112,081.36

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Solution

The fourth proportional to 653,502,378,301.05, 979,968,876,791.40 and 347,125,112,081.36 is: 520,536,447,130.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,502,378,301.05 : 979,968,876,791.40 = 347,125,112,081.36 : x
  2. Step 2: Convert to fraction form
    653,502,378,301.05/979,968,876,791.40 = 347,125,112,081.36/x
  3. Step 3: Cross multiply
    653,502,378,301.05x = 979,968,876,791.40 × 347,125,112,081.36
  4. Step 4: Simplify right side
    653,502,378,301.05x = 340,171,806,192,459,208,196,096
  5. Step 5: Solve for x
    x = 340,171,806,192,459,208,196,096/653,502,378,301.05
  6. Step 6: Final answer
    x = 520,536,447,130.96

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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.