Home / 18,443,613,848.74-27,667,109,109.76-5,178,782,743.16

Finding the Fourth Proportional to 18,443,613,848.74, 27,667,109,109.76 and 5,178,782,743.16

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Solution

The fourth proportional to 18,443,613,848.74, 27,667,109,109.76 and 5,178,782,743.16 is: 7,768,648,182.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,613,848.74 : 27,667,109,109.76 = 5,178,782,743.16 : x
  2. Step 2: Convert to fraction form
    18,443,613,848.74/27,667,109,109.76 = 5,178,782,743.16/x
  3. Step 3: Cross multiply
    18,443,613,848.74x = 27,667,109,109.76 × 5,178,782,743.16
  4. Step 4: Simplify right side
    18,443,613,848.74x = 143,281,947,210,749,902,848
  5. Step 5: Solve for x
    x = 143,281,947,210,749,902,848/18,443,613,848.74
  6. Step 6: Final answer
    x = 7,768,648,182.83

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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.