Home / 1,289,120,504,590.30-1,778,991,827,055.90-703,183,119,224.72

Finding the Fourth Proportional to 1,289,120,504,590.30, 1,778,991,827,055.90 and 703,183,119,224.72

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Solution

The fourth proportional to 1,289,120,504,590.30, 1,778,991,827,055.90 and 703,183,119,224.72 is: 970,395,721,400.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,120,504,590.30 : 1,778,991,827,055.90 = 703,183,119,224.72 : x
  2. Step 2: Convert to fraction form
    1,289,120,504,590.30/1,778,991,827,055.90 = 703,183,119,224.72/x
  3. Step 3: Cross multiply
    1,289,120,504,590.30x = 1,778,991,827,055.90 × 703,183,119,224.72
  4. Step 4: Simplify right side
    1,289,120,504,590.30x = 1,250,957,022,024,451,196,190,720
  5. Step 5: Solve for x
    x = 1,250,957,022,024,451,196,190,720/1,289,120,504,590.30
  6. Step 6: Final answer
    x = 970,395,721,400.79

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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.