Home / 620,636,190.92-857,295,498.36-460,025,767.56

Finding the Fourth Proportional to 620,636,190.92, 857,295,498.36 and 460,025,767.56

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Solution

The fourth proportional to 620,636,190.92, 857,295,498.36 and 460,025,767.56 is: 635,441,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,636,190.92 : 857,295,498.36 = 460,025,767.56 : x
  2. Step 2: Convert to fraction form
    620,636,190.92/857,295,498.36 = 460,025,767.56/x
  3. Step 3: Cross multiply
    620,636,190.92x = 857,295,498.36 × 460,025,767.56
  4. Step 4: Simplify right side
    620,636,190.92x = 394,378,019,658,791,744
  5. Step 5: Solve for x
    x = 394,378,019,658,791,744/620,636,190.92
  6. Step 6: Final answer
    x = 635,441,544.38

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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.