Home / 260,802,433.60-391,203,650.40-124,753,537.60

Finding the Fourth Proportional to 260,802,433.60, 391,203,650.40 and 124,753,537.60

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Solution

The fourth proportional to 260,802,433.60, 391,203,650.40 and 124,753,537.60 is: 187,130,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,802,433.60 : 391,203,650.40 = 124,753,537.60 : x
  2. Step 2: Convert to fraction form
    260,802,433.60/391,203,650.40 = 124,753,537.60/x
  3. Step 3: Cross multiply
    260,802,433.60x = 391,203,650.40 × 124,753,537.60
  4. Step 4: Simplify right side
    260,802,433.60x = 48,804,039,309,433,648
  5. Step 5: Solve for x
    x = 48,804,039,309,433,648/260,802,433.60
  6. Step 6: Final answer
    x = 187,130,306.40

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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.