Home / 11,787,953,633.01-17,673,213,448.89-7,128,791,785.59

Finding the Fourth Proportional to 11,787,953,633.01, 17,673,213,448.89 and 7,128,791,785.59

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Solution

The fourth proportional to 11,787,953,633.01, 17,673,213,448.89 and 7,128,791,785.59 is: 10,687,916,052.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787,953,633.01 : 17,673,213,448.89 = 7,128,791,785.59 : x
  2. Step 2: Convert to fraction form
    11,787,953,633.01/17,673,213,448.89 = 7,128,791,785.59/x
  3. Step 3: Cross multiply
    11,787,953,633.01x = 17,673,213,448.89 × 7,128,791,785.59
  4. Step 4: Simplify right side
    11,787,953,633.01x = 125,988,658,859,425,742,848
  5. Step 5: Solve for x
    x = 125,988,658,859,425,742,848/11,787,953,633.01
  6. Step 6: Final answer
    x = 10,687,916,052.42

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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.