Home / 13,312,789,602.27-18,372,227,150.33-7,372,342,104.27

Finding the Fourth Proportional to 13,312,789,602.27, 18,372,227,150.33 and 7,372,342,104.27

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Solution

The fourth proportional to 13,312,789,602.27, 18,372,227,150.33 and 7,372,342,104.27 is: 10,174,151,910.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312,789,602.27 : 18,372,227,150.33 = 7,372,342,104.27 : x
  2. Step 2: Convert to fraction form
    13,312,789,602.27/18,372,227,150.33 = 7,372,342,104.27/x
  3. Step 3: Cross multiply
    13,312,789,602.27x = 18,372,227,150.33 × 7,372,342,104.27
  4. Step 4: Simplify right side
    13,312,789,602.27x = 135,446,343,769,498,451,968
  5. Step 5: Solve for x
    x = 135,446,343,769,498,451,968/13,312,789,602.27
  6. Step 6: Final answer
    x = 10,174,151,910.77

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1.5x scale

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.