Home / 260,760,384,086.40-391,140,576,129.60-74,645,494,358.40

Finding the Fourth Proportional to 260,760,384,086.40, 391,140,576,129.60 and 74,645,494,358.40

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Solution

The fourth proportional to 260,760,384,086.40, 391,140,576,129.60 and 74,645,494,358.40 is: 111,968,241,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,760,384,086.40 : 391,140,576,129.60 = 74,645,494,358.40 : x
  2. Step 2: Convert to fraction form
    260,760,384,086.40/391,140,576,129.60 = 74,645,494,358.40/x
  3. Step 3: Cross multiply
    260,760,384,086.40x = 391,140,576,129.60 × 74,645,494,358.40
  4. Step 4: Simplify right side
    260,760,384,086.40x = 29,196,881,668,823,379,345,408
  5. Step 5: Solve for x
    x = 29,196,881,668,823,379,345,408/260,760,384,086.40
  6. Step 6: Final answer
    x = 111,968,241,537.60

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1.5x scale

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.