Home / 260,760,384,143.40-391,140,576,215.10-74,645,494,415.40

Finding the Fourth Proportional to 260,760,384,143.40, 391,140,576,215.10 and 74,645,494,415.40

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Solution

The fourth proportional to 260,760,384,143.40, 391,140,576,215.10 and 74,645,494,415.40 is: 111,968,241,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,760,384,143.40 : 391,140,576,215.10 = 74,645,494,415.40 : x
  2. Step 2: Convert to fraction form
    260,760,384,143.40/391,140,576,215.10 = 74,645,494,415.40/x
  3. Step 3: Cross multiply
    260,760,384,143.40x = 391,140,576,215.10 × 74,645,494,415.40
  4. Step 4: Simplify right side
    260,760,384,143.40x = 29,196,881,697,500,582,379,520
  5. Step 5: Solve for x
    x = 29,196,881,697,500,582,379,520/260,760,384,143.40
  6. Step 6: Final answer
    x = 111,968,241,623.10

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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.