Home / 1,229,678,978,070.10-1,697,010,332,324.90-680,970,283,003.10

Finding the Fourth Proportional to 1,229,678,978,070.10, 1,697,010,332,324.90 and 680,970,283,003.10

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Solution

The fourth proportional to 1,229,678,978,070.10, 1,697,010,332,324.90 and 680,970,283,003.10 is: 939,768,530,544.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,678,978,070.10 : 1,697,010,332,324.90 = 680,970,283,003.10 : x
  2. Step 2: Convert to fraction form
    1,229,678,978,070.10/1,697,010,332,324.90 = 680,970,283,003.10/x
  3. Step 3: Cross multiply
    1,229,678,978,070.10x = 1,697,010,332,324.90 × 680,970,283,003.10
  4. Step 4: Simplify right side
    1,229,678,978,070.10x = 1,155,613,606,262,471,823,196,160
  5. Step 5: Solve for x
    x = 1,155,613,606,262,471,823,196,160/1,229,678,978,070.10
  6. Step 6: Final answer
    x = 939,768,530,544.56

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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.