Home / 1,262,610,669.78-1,742,463,454.14-698,085,105.57

Finding the Fourth Proportional to 1,262,610,669.78, 1,742,463,454.14 and 698,085,105.57

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Solution

The fourth proportional to 1,262,610,669.78, 1,742,463,454.14 and 698,085,105.57 is: 963,391,022.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,610,669.78 : 1,742,463,454.14 = 698,085,105.57 : x
  2. Step 2: Convert to fraction form
    1,262,610,669.78/1,742,463,454.14 = 698,085,105.57/x
  3. Step 3: Cross multiply
    1,262,610,669.78x = 1,742,463,454.14 × 698,085,105.57
  4. Step 4: Simplify right side
    1,262,610,669.78x = 1,216,387,784,335,188,992
  5. Step 5: Solve for x
    x = 1,216,387,784,335,188,992/1,262,610,669.78
  6. Step 6: Final answer
    x = 963,391,022.62

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1.5x scale

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.