Home / 1,206,581,585.37-1,809,823,117.10-419,815,314.33

Finding the Fourth Proportional to 1,206,581,585.37, 1,809,823,117.10 and 419,815,314.33

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Solution

The fourth proportional to 1,206,581,585.37, 1,809,823,117.10 and 419,815,314.33 is: 629,705,831.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,581,585.37 : 1,809,823,117.10 = 419,815,314.33 : x
  2. Step 2: Convert to fraction form
    1,206,581,585.37/1,809,823,117.10 = 419,815,314.33/x
  3. Step 3: Cross multiply
    1,206,581,585.37x = 1,809,823,117.10 × 419,815,314.33
  4. Step 4: Simplify right side
    1,206,581,585.37x = 759,791,460,784,937,856
  5. Step 5: Solve for x
    x = 759,791,460,784,937,856/1,206,581,585.37
  6. Step 6: Final answer
    x = 629,705,831.75

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Double scale
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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.