Home / 13,981,404,522.45-19,298,936,284.26-11,128,779,350.13

Finding the Fourth Proportional to 13,981,404,522.45, 19,298,936,284.26 and 11,128,779,350.13

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Solution

The fourth proportional to 13,981,404,522.45, 19,298,936,284.26 and 11,128,779,350.13 is: 15,361,375,407.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981,404,522.45 : 19,298,936,284.26 = 11,128,779,350.13 : x
  2. Step 2: Convert to fraction form
    13,981,404,522.45/19,298,936,284.26 = 11,128,779,350.13/x
  3. Step 3: Cross multiply
    13,981,404,522.45x = 19,298,936,284.26 × 11,128,779,350.13
  4. Step 4: Simplify right side
    13,981,404,522.45x = 214,773,603,599,747,252,224
  5. Step 5: Solve for x
    x = 214,773,603,599,747,252,224/13,981,404,522.45
  6. Step 6: Final answer
    x = 15,361,375,407.95

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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.