Home / 11,395,526,953.14-15,726,699,608.76-7,170,060,819.78

Finding the Fourth Proportional to 11,395,526,953.14, 15,726,699,608.76 and 7,170,060,819.78

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Solution

The fourth proportional to 11,395,526,953.14, 15,726,699,608.76 and 7,170,060,819.78 is: 9,895,232,853.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,395,526,953.14 : 15,726,699,608.76 = 7,170,060,819.78 : x
  2. Step 2: Convert to fraction form
    11,395,526,953.14/15,726,699,608.76 = 7,170,060,819.78/x
  3. Step 3: Cross multiply
    11,395,526,953.14x = 15,726,699,608.76 × 7,170,060,819.78
  4. Step 4: Simplify right side
    11,395,526,953.14x = 112,761,392,689,219,534,848
  5. Step 5: Solve for x
    x = 112,761,392,689,219,534,848/11,395,526,953.14
  6. Step 6: Final answer
    x = 9,895,232,853.46

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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.