Home / 245,689,647,460.92-339,022,349,248.08-135,809,150,320.80

Finding the Fourth Proportional to 245,689,647,460.92, 339,022,349,248.08 and 135,809,150,320.80

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Solution

The fourth proportional to 245,689,647,460.92, 339,022,349,248.08 and 135,809,150,320.80 is: 187,400,395,852.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,689,647,460.92 : 339,022,349,248.08 = 135,809,150,320.80 : x
  2. Step 2: Convert to fraction form
    245,689,647,460.92/339,022,349,248.08 = 135,809,150,320.80/x
  3. Step 3: Cross multiply
    245,689,647,460.92x = 339,022,349,248.08 × 135,809,150,320.80
  4. Step 4: Simplify right side
    245,689,647,460.92x = 46,042,337,191,143,258,718,208
  5. Step 5: Solve for x
    x = 46,042,337,191,143,258,718,208/245,689,647,460.92
  6. Step 6: Final answer
    x = 187,400,395,852.93

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Double scale
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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.