Home / 800,992,651,337.70-1,201,488,977,006.50-271,001,422,385.70

Finding the Fourth Proportional to 800,992,651,337.70, 1,201,488,977,006.50 and 271,001,422,385.70

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Solution

The fourth proportional to 800,992,651,337.70, 1,201,488,977,006.50 and 271,001,422,385.70 is: 406,502,133,578.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,992,651,337.70 : 1,201,488,977,006.50 = 271,001,422,385.70 : x
  2. Step 2: Convert to fraction form
    800,992,651,337.70/1,201,488,977,006.50 = 271,001,422,385.70/x
  3. Step 3: Cross multiply
    800,992,651,337.70x = 1,201,488,977,006.50 × 271,001,422,385.70
  4. Step 4: Simplify right side
    800,992,651,337.70x = 325,605,221,749,501,122,838,528
  5. Step 5: Solve for x
    x = 325,605,221,749,501,122,838,528/800,992,651,337.70
  6. Step 6: Final answer
    x = 406,502,133,578.53

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Double scale
Find fourth proportional to 800,992,651,338.70, 1,201,488,977,008 and 271,001,422,386.70
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.