Home / 2,166,138,477,144.20-2,989,230,883,928.80-1,190,635,498,506.10

Finding the Fourth Proportional to 2,166,138,477,144.20, 2,989,230,883,928.80 and 1,190,635,498,506.10

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Solution

The fourth proportional to 2,166,138,477,144.20, 2,989,230,883,928.80 and 1,190,635,498,506.10 is: 1,643,054,883,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,138,477,144.20 : 2,989,230,883,928.80 = 1,190,635,498,506.10 : x
  2. Step 2: Convert to fraction form
    2,166,138,477,144.20/2,989,230,883,928.80 = 1,190,635,498,506.10/x
  3. Step 3: Cross multiply
    2,166,138,477,144.20x = 2,989,230,883,928.80 × 1,190,635,498,506.10
  4. Step 4: Simplify right side
    2,166,138,477,144.20x = 3,559,084,403,636,396,785,401,856
  5. Step 5: Solve for x
    x = 3,559,084,403,636,396,785,401,856/2,166,138,477,144.20
  6. Step 6: Final answer
    x = 1,643,054,883,697.29

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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.