Home / 958,501,971.10-1,436,619,215.85-498,203,206.30

Finding the Fourth Proportional to 958,501,971.10, 1,436,619,215.85 and 498,203,206.30

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Solution

The fourth proportional to 958,501,971.10, 1,436,619,215.85 and 498,203,206.30 is: 746,715,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,501,971.10 : 1,436,619,215.85 = 498,203,206.30 : x
  2. Step 2: Convert to fraction form
    958,501,971.10/1,436,619,215.85 = 498,203,206.30/x
  3. Step 3: Cross multiply
    958,501,971.10x = 1,436,619,215.85 × 498,203,206.30
  4. Step 4: Simplify right side
    958,501,971.10x = 715,728,299,568,661,760
  5. Step 5: Solve for x
    x = 715,728,299,568,661,760/958,501,971.10
  6. Step 6: Final answer
    x = 746,715,521.88

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1.5x scale

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.