Home / 653,502,378,301.55-979,968,876,792.10-347,125,112,081.88

Finding the Fourth Proportional to 653,502,378,301.55, 979,968,876,792.10 and 347,125,112,081.88

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Solution

The fourth proportional to 653,502,378,301.55, 979,968,876,792.10 and 347,125,112,081.88 is: 520,536,447,131.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,502,378,301.55 : 979,968,876,792.10 = 347,125,112,081.88 : x
  2. Step 2: Convert to fraction form
    653,502,378,301.55/979,968,876,792.10 = 347,125,112,081.88/x
  3. Step 3: Cross multiply
    653,502,378,301.55x = 979,968,876,792.10 × 347,125,112,081.88
  4. Step 4: Simplify right side
    653,502,378,301.55x = 340,171,806,193,211,766,996,992
  5. Step 5: Solve for x
    x = 340,171,806,193,211,766,996,992/653,502,378,301.55
  6. Step 6: Final answer
    x = 520,536,447,131.71

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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.