Home / 1,189,723,855,976.20-1,784,935,915,106.80-383,875,679,139.12

Finding the Fourth Proportional to 1,189,723,855,976.20, 1,784,935,915,106.80 and 383,875,679,139.12

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Solution

The fourth proportional to 1,189,723,855,976.20, 1,784,935,915,106.80 and 383,875,679,139.12 is: 575,926,491,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,723,855,976.20 : 1,784,935,915,106.80 = 383,875,679,139.12 : x
  2. Step 2: Convert to fraction form
    1,189,723,855,976.20/1,784,935,915,106.80 = 383,875,679,139.12/x
  3. Step 3: Cross multiply
    1,189,723,855,976.20x = 1,784,935,915,106.80 × 383,875,679,139.12
  4. Step 4: Simplify right side
    1,189,723,855,976.20x = 685,193,486,631,429,493,227,520
  5. Step 5: Solve for x
    x = 685,193,486,631,429,493,227,520/1,189,723,855,976.20
  6. Step 6: Final answer
    x = 575,926,491,840.59

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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.