Home / 814,084,865.10-1,221,127,297.65-487,567,514.70

Finding the Fourth Proportional to 814,084,865.10, 1,221,127,297.65 and 487,567,514.70

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Solution

The fourth proportional to 814,084,865.10, 1,221,127,297.65 and 487,567,514.70 is: 731,351,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,084,865.10 : 1,221,127,297.65 = 487,567,514.70 : x
  2. Step 2: Convert to fraction form
    814,084,865.10/1,221,127,297.65 = 487,567,514.70/x
  3. Step 3: Cross multiply
    814,084,865.10x = 1,221,127,297.65 × 487,567,514.70
  4. Step 4: Simplify right side
    814,084,865.10x = 595,382,001,647,537,664
  5. Step 5: Solve for x
    x = 595,382,001,647,537,664/814,084,865.10
  6. Step 6: Final answer
    x = 731,351,272.05

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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.