Home / 1,291,404,375,236.30-1,782,192,179,582.60-742,696,108,626.45

Finding the Fourth Proportional to 1,291,404,375,236.30, 1,782,192,179,582.60 and 742,696,108,626.45

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Solution

The fourth proportional to 1,291,404,375,236.30, 1,782,192,179,582.60 and 742,696,108,626.45 is: 1,024,951,767,224.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,404,375,236.30 : 1,782,192,179,582.60 = 742,696,108,626.45 : x
  2. Step 2: Convert to fraction form
    1,291,404,375,236.30/1,782,192,179,582.60 = 742,696,108,626.45/x
  3. Step 3: Cross multiply
    1,291,404,375,236.30x = 1,782,192,179,582.60 × 742,696,108,626.45
  4. Step 4: Simplify right side
    1,291,404,375,236.30x = 1,323,627,196,600,488,390,819,840
  5. Step 5: Solve for x
    x = 1,323,627,196,600,488,390,819,840/1,291,404,375,236.30
  6. Step 6: Final answer
    x = 1,024,951,767,224.96

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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.