Home / 1,180,992,002.10-1,771,488,003.15-629,993,973.30

Finding the Fourth Proportional to 1,180,992,002.10, 1,771,488,003.15 and 629,993,973.30

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Solution

The fourth proportional to 1,180,992,002.10, 1,771,488,003.15 and 629,993,973.30 is: 944,990,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,992,002.10 : 1,771,488,003.15 = 629,993,973.30 : x
  2. Step 2: Convert to fraction form
    1,180,992,002.10/1,771,488,003.15 = 629,993,973.30/x
  3. Step 3: Cross multiply
    1,180,992,002.10x = 1,771,488,003.15 × 629,993,973.30
  4. Step 4: Simplify right side
    1,180,992,002.10x = 1,116,026,765,757,751,424
  5. Step 5: Solve for x
    x = 1,116,026,765,757,751,424/1,180,992,002.10
  6. Step 6: Final answer
    x = 944,990,959.95

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Double scale
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Similar ratio
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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.