Home / 2,538,625,011-3,503,302,498.78-1,424,791,105.13

Finding the Fourth Proportional to 2,538,625,011, 3,503,302,498.78 and 1,424,791,105.13

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Solution

The fourth proportional to 2,538,625,011, 3,503,302,498.78 and 1,424,791,105.13 is: 1,966,211,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538,625,011 : 3,503,302,498.78 = 1,424,791,105.13 : x
  2. Step 2: Convert to fraction form
    2,538,625,011/3,503,302,498.78 = 1,424,791,105.13/x
  3. Step 3: Cross multiply
    2,538,625,011x = 3,503,302,498.78 × 1,424,791,105.13
  4. Step 4: Simplify right side
    2,538,625,011x = 4,991,474,238,841,447,424
  5. Step 5: Solve for x
    x = 4,991,474,238,841,447,424/2,538,625,011
  6. Step 6: Final answer
    x = 1,966,211,715.87

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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.