Home / 748,741,393.35-1,033,232,081.70-409,648,205.16

Finding the Fourth Proportional to 748,741,393.35, 1,033,232,081.70 and 409,648,205.16

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Solution

The fourth proportional to 748,741,393.35, 1,033,232,081.70 and 409,648,205.16 is: 565,297,540.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,741,393.35 : 1,033,232,081.70 = 409,648,205.16 : x
  2. Step 2: Convert to fraction form
    748,741,393.35/1,033,232,081.70 = 409,648,205.16/x
  3. Step 3: Cross multiply
    748,741,393.35x = 1,033,232,081.70 × 409,648,205.16
  4. Step 4: Simplify right side
    748,741,393.35x = 423,261,667,782,135,552
  5. Step 5: Solve for x
    x = 423,261,667,782,135,552/748,741,393.35
  6. Step 6: Final answer
    x = 565,297,540.03

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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.