Home / 220,313,359,576.67-330,620,993,434.53-76,892,387,784.35

Finding the Fourth Proportional to 220,313,359,576.67, 330,620,993,434.53 and 76,892,387,784.35

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Solution

The fourth proportional to 220,313,359,576.67, 330,620,993,434.53 and 76,892,387,784.35 is: 115,391,266,719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,313,359,576.67 : 330,620,993,434.53 = 76,892,387,784.35 : x
  2. Step 2: Convert to fraction form
    220,313,359,576.67/330,620,993,434.53 = 76,892,387,784.35/x
  3. Step 3: Cross multiply
    220,313,359,576.67x = 330,620,993,434.53 × 76,892,387,784.35
  4. Step 4: Simplify right side
    220,313,359,576.67x = 25,422,237,636,814,918,647,808
  5. Step 5: Solve for x
    x = 25,422,237,636,814,918,647,808/220,313,359,576.67
  6. Step 6: Final answer
    x = 115,391,266,719.66

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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.