Home / 800,992,651,338.20-1,201,488,977,007.30-271,001,422,386.20

Finding the Fourth Proportional to 800,992,651,338.20, 1,201,488,977,007.30 and 271,001,422,386.20

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Solution

The fourth proportional to 800,992,651,338.20, 1,201,488,977,007.30 and 271,001,422,386.20 is: 406,502,133,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,992,651,338.20 : 1,201,488,977,007.30 = 271,001,422,386.20 : x
  2. Step 2: Convert to fraction form
    800,992,651,338.20/1,201,488,977,007.30 = 271,001,422,386.20/x
  3. Step 3: Cross multiply
    800,992,651,338.20x = 1,201,488,977,007.30 × 271,001,422,386.20
  4. Step 4: Simplify right side
    800,992,651,338.20x = 325,605,221,750,318,643,019,776
  5. Step 5: Solve for x
    x = 325,605,221,750,318,643,019,776/800,992,651,338.20
  6. Step 6: Final answer
    x = 406,502,133,579.30

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Double scale
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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.