Home / 1,119,744,148.20-1,679,616,222.30-629,968,122.60

Finding the Fourth Proportional to 1,119,744,148.20, 1,679,616,222.30 and 629,968,122.60

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Solution

The fourth proportional to 1,119,744,148.20, 1,679,616,222.30 and 629,968,122.60 is: 944,952,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,744,148.20 : 1,679,616,222.30 = 629,968,122.60 : x
  2. Step 2: Convert to fraction form
    1,119,744,148.20/1,679,616,222.30 = 629,968,122.60/x
  3. Step 3: Cross multiply
    1,119,744,148.20x = 1,679,616,222.30 × 629,968,122.60
  4. Step 4: Simplify right side
    1,119,744,148.20x = 1,058,104,678,250,835,200
  5. Step 5: Solve for x
    x = 1,058,104,678,250,835,200/1,119,744,148.20
  6. Step 6: Final answer
    x = 944,952,183.90

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Double scale
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Similar ratio
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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.