Home / 1,038,380,144.76-1,432,964,922.57-568,511,308.53

Finding the Fourth Proportional to 1,038,380,144.76, 1,432,964,922.57 and 568,511,308.53

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Solution

The fourth proportional to 1,038,380,144.76, 1,432,964,922.57 and 568,511,308.53 is: 784,545,782.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,380,144.76 : 1,432,964,922.57 = 568,511,308.53 : x
  2. Step 2: Convert to fraction form
    1,038,380,144.76/1,432,964,922.57 = 568,511,308.53/x
  3. Step 3: Cross multiply
    1,038,380,144.76x = 1,432,964,922.57 × 568,511,308.53
  4. Step 4: Simplify right side
    1,038,380,144.76x = 814,656,763,207,860,736
  5. Step 5: Solve for x
    x = 814,656,763,207,860,736/1,038,380,144.76
  6. Step 6: Final answer
    x = 784,545,782.50

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Half scale
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Double scale
Find fourth proportional to 1,038,380,145.76, 1,432,964,923.95 and 568,511,309.53
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.