Home / 886,405,305.87-1,223,244,131.22-484,519,594.68

Finding the Fourth Proportional to 886,405,305.87, 1,223,244,131.22 and 484,519,594.68

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Solution

The fourth proportional to 886,405,305.87, 1,223,244,131.22 and 484,519,594.68 is: 668,639,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,405,305.87 : 1,223,244,131.22 = 484,519,594.68 : x
  2. Step 2: Convert to fraction form
    886,405,305.87/1,223,244,131.22 = 484,519,594.68/x
  3. Step 3: Cross multiply
    886,405,305.87x = 1,223,244,131.22 × 484,519,594.68
  4. Step 4: Simplify right side
    886,405,305.87x = 592,685,750,653,403,136
  5. Step 5: Solve for x
    x = 592,685,750,653,403,136/886,405,305.87
  6. Step 6: Final answer
    x = 668,639,669.38

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Double scale
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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.