Home / 245,689,647,461.42-339,022,349,248.77-135,809,150,321.30

Finding the Fourth Proportional to 245,689,647,461.42, 339,022,349,248.77 and 135,809,150,321.30

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Solution

The fourth proportional to 245,689,647,461.42, 339,022,349,248.77 and 135,809,150,321.30 is: 187,400,395,853.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,689,647,461.42 : 339,022,349,248.77 = 135,809,150,321.30 : x
  2. Step 2: Convert to fraction form
    245,689,647,461.42/339,022,349,248.77 = 135,809,150,321.30/x
  3. Step 3: Cross multiply
    245,689,647,461.42x = 339,022,349,248.77 × 135,809,150,321.30
  4. Step 4: Simplify right side
    245,689,647,461.42x = 46,042,337,191,406,476,460,032
  5. Step 5: Solve for x
    x = 46,042,337,191,406,476,460,032/245,689,647,461.42
  6. Step 6: Final answer
    x = 187,400,395,853.62

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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.