Home / 980,253,567,452.35-1,469,953,315,188.10-520,687,668,122.80

Finding the Fourth Proportional to 980,253,567,452.35, 1,469,953,315,188.10 and 520,687,668,122.80

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Solution

The fourth proportional to 980,253,567,452.35, 1,469,953,315,188.10 and 520,687,668,122.80 is: 780,804,670,697.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,253,567,452.35 : 1,469,953,315,188.10 = 520,687,668,122.80 : x
  2. Step 2: Convert to fraction form
    980,253,567,452.35/1,469,953,315,188.10 = 520,687,668,122.80/x
  3. Step 3: Cross multiply
    980,253,567,452.35x = 1,469,953,315,188.10 × 520,687,668,122.80
  4. Step 4: Simplify right side
    980,253,567,452.35x = 765,386,563,934,671,027,044,352
  5. Step 5: Solve for x
    x = 765,386,563,934,671,027,044,352/980,253,567,452.35
  6. Step 6: Final answer
    x = 780,804,670,697.49

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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.