Home / 1,041,287,579.28-1,436,972,917.44-571,396,763.68

Finding the Fourth Proportional to 1,041,287,579.28, 1,436,972,917.44 and 571,396,763.68

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Solution

The fourth proportional to 1,041,287,579.28, 1,436,972,917.44 and 571,396,763.68 is: 788,525,370.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,287,579.28 : 1,436,972,917.44 = 571,396,763.68 : x
  2. Step 2: Convert to fraction form
    1,041,287,579.28/1,436,972,917.44 = 571,396,763.68/x
  3. Step 3: Cross multiply
    1,041,287,579.28x = 1,436,972,917.44 × 571,396,763.68
  4. Step 4: Simplify right side
    1,041,287,579.28x = 821,081,674,521,023,744
  5. Step 5: Solve for x
    x = 821,081,674,521,023,744/1,041,287,579.28
  6. Step 6: Final answer
    x = 788,525,370.76

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Double scale
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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.